Fun fact: there are essential proteins (well, amino acids), and essential fats, but there are no essential carbohydrates.
There certainly is a relationship between calories consumed, calories burned exercising, and weight, but this is not the whole picture. Hormones and metabolism can not be ignored.
Now, I'm not a no carb guy, but I do subscribe to the notion that most of your carbs should come from fruits and veggies, rather than sodas, pastas, breads, etc. Turns out, though, it's hard to get a ton of carbs from veggies. On the flip side, I think most people don't pay nearly enough attention to the quality of their fat sources - fat should come from grass-fed meats, fish, eggs, nuts, etc.
Interesting way to get back on topic - most ankle injuries could be avoided if we went barefoot.
Barefooting won't save your ankles from a hammer, but there's no reason people should be spraining their ankles with body weight loading.
Social constraints may make actually going barefoot difficult, but I've found Vibram Fivefingers to give the same ankle protective effects, which is why I'm wearing some right now. After getting to the point where I could do all my running and weightlifting in them, I've had rock solid ankles.
I would certainly agree this is largely semantics, and that the shitty feelings, whatever the cause, are complex chemical responses.
However, is personality also not a chemical thing? Isn't an addictive personality due to an unusual dopamine response (can't remember whether it's signal or receptor, and over or under active, but that's immaterial here)? Are there not chemical bases behind aggressive, nurturing, apathetic personalities?
My point was not that these aren't chemical things, but rather, everything is chemistry, so I'm just trying to apply labels to certain parts of chemistry so that they line as consistently as possible with normal language use.
While the general population may not articulate it as such, I'd say in general usage personality is something of a look-up table for how a given individual will respond to situations whereas "self" is the qualia of self-awareness and experience. For example, your personality describes whether you'll stay calm and collected or freak out when thrust into a new situation, whether you'll take charge or sit back when a power vacuum arises, or whether you'll sit in the corner or strike out and meet people at a party (many more possible examples, not all based on dominance). Self is that gooey, even more ill-defined subject that philosophers are always going on about (which I happen to think boils down to information processing structures in those vast chemical reactions, but that is another discussion).
Let me take the opposite cant. I am reasonably tall, much stronger than the average man, and exceptionally intelligent. I earned a triple major in 4 years while being paid to go to school, all the while sleeping through classes, and procrastinating as much as possible. I competed in two body building competitions, for which I dieted between 1/3 and 1/4 the time that other competitors had to. The only unnatural aid I used for any of this was a bit of caffeine when realized it was 1 AM and I hadn't started on the lab report due that morning, and even that wasn't all that important since I don't respond strongly to caffeine.
Does this mean I am uber-satisfied and proud of myself as uber-man? No. My exceptional abilities are only made possible through genetics and luck. Not only did I not earn these abilities, I didn't even choose them. I have great respect for those who must and do work to achieve significant goals. If innate abilities were somehow only rewarded to the worthy, then it might make sense to feel shitty about having to artificially enhance one's ability, but that is not the case. Likewise, being deceptive in your usage of enhancements is bad, but to say that he who works hard and openly with aids cannot be proud of his hard work is disingenuous.
I would say you're setting up a false dichotomy. Look at sports and performance enhancing drugs. To athletes and trainers what is steroid and what is supplement is mostly about the law. Broccoli - anti-estrogenic, but totally natural food. Glutamine and Leucine - natural amino acids found in protein, help your body recover, but you may not be able to get enough quickly enough from normal whole foods. Creatine and Beta Alanine - present in small amounts in meat, improve your muscle's ability to do hard work, but to get the normal supplement amounts you'd have to be stuffing your face with beef all day. Pro-hormones - amped up doses of the building blocks and signalers your body needs to manufacture hormones. Steroids - don't magically add muscle, but improve the body's response to hard work at the gym, and allow one to work harder without over training.
There are a bunch more performance aids along the continuum which I don't have time to enumerate, but the point is that it's just that, a continuum.
Step 1 - introduce Stranger A to your friend Alice, when Alice is having a bad day.
Step 2 - introduce Stranger B to your friend Alice, when Alice is having a good day.
Step 3 - ask Strangers A and B to describe Alice's personality. Ding ding ding! They describe different personalities.
But wait, you say, one person's description based on purposely limited evidence is not a complete picture of Alice's personality, the old 3-blind-men-feeling-an-elephant-and-describing-it problem. Indeed this is true. A complete picture of someone's personality would account for the variation in their behaviors, as well as the distribution of those various modes, and anti-depressants could clearly alter that distribution.
If anti-depressants perceptibly alter one's distribution of behavior, I see no reason to say they don't alter one's personality. Of course, it's conceivable someone could feel better internally but not act any different, but that doesn't seem to be what you're saying. You seem to be saying that different behavior != different personality, and I'm asking, well why not?
One could point out that situations affect behavior without affecting personality. If your dog died, you lost your wallet, broke a bone, and your girl-friend broke up with you in the span of a couple weeks, you'd probably be feeling pretty shitty in a way that would affect your behavior. However, this kind of feeling-shitty, unlike with depression, is directly caused by shitty-stimuli and leads to feeling-shitty-behavior. If it were the environmental stimuli of taking anti-depressants that directly lead to more-optimistic-personality-behavior, then I would counter that taking the placebo would provide the exact same environmental stimuli, and hence should lead to the same behavioral changes. However, it doesn't, so I don't think it's unfair to label an anti-depressant as possibly personality-altering.
oh, is that what they were doing? silly me...i thought they were lining their own pockets and looting the treasury for themselves and their investors & business partners while they had the opportunity.
Yes, that too, and that fits in with my point which I guess I never explicitly stated. Free-market-as-the-neocons-deem-it is a joke, but, there are free market economists who have been making very accurate multi-year predictions. To ignore the economists because of the neocons feckless behavior is poor judgment.
I had actually thought of mentioning the parallel with communism; I don't see that it opens any logical flaws in my point. In any event, it seems failures in Soviet Union communism arose both through abuse of power and through inherent flaws in communism - disincentivizing hard work.
Finally, I don't consider myself a 100% gung-ho free-marketer. I'm actually *gasp* undecided on how much of a role I think the government should play in the market. So, I'm taking data now to form a stronger opinion - I'm listening to predictions (not postdictions) from guys like Peter Schiff, and comparing them to the Obama crew's, and holding onto my fiscal-butt for a few years while we see who was right, or righter.
It also occurs to me that free market ideas may be a useful tool to analyze the market but have no good, practical way to implement. I'm trying to keep an open mind regardless of who is popularly associated with an idea.
While I agree Libertarianism can be taken too far, that doesn't mean free market principles are inherently so terribly misguided.
Take a look on youtube at guys like Peter Schiff - who nailed the current economic collapse years in advance based on free market principles. The fact is Bush et. al. weren't even remotely interested in running a true free market, and in trying to quiet the economic grumblings following the dot-com-bubble-bursting set the stage for an even bigger crisis.
The failure of a shitty implementation of an idea by a government only paying lip-service to the idea and known for not letting go of power is hardly an indictment of the idea itself.
The other side of the coin is that a free market does need to prevent fraud, but again the government seems only weakly interested in such things. People had been trying to blow open the Madoff scam for years, but for some reason the SEC didn't want to pay attention
One thing I think would be really cool is basically an iPhone with tactile feedback. Imagine a grid of small click-able buttons behind a flexible touch screen. Software can then match up a virtual keyboard, menu items, etc. to the underlying buttons, so that you can both feel when you've clicked and tell where it thinks you clicked based on the way the screen depresses.
Both parent and grandparent have parts of the truth.
The velocity determines the relative rates of aging. However, if neither frame of reference accelerates, then both can claim with equal validity that the other is the one moving and hence the one aging slowly.
The acceleration of leaving the earth on a rocket, turning around, and coming back is what breaks the symmetry between the two reference frames so that both earthlings and astronaut agree the astronaut aged less.
Point 1) When the counterweight is at geostationary orbit, it won't provide any pull, so you'll still have to push the cargo up until the half-way point. You could argue that that after half-way it would then be possible to regain the energy used (minus conversion inefficiencies), but the same argument could be applied if you didn't have any counterweight, and used regenerative braking as the elevator came back down.
Point 2) Seriously, a 42,000 km cable flexible enough to bend 180 degrees around a pulley? I don't think even spider silk will save us there.
Here are some tips to complement what you've read:
Never use plastic containers for warm food/drink.
Take zinc before you go to bed (zinc on an empty stomach will make some people nauseous, so take it with dinner if need be).
Eat lots of broccoli, it's anti-estrogenic.
Do eat plenty of fat and cholesterol, just make sure it's from good sources. Low fat diets are shown to decrease your testosterone production. If you're not eating fish, grass-fed beef is a good way to get some healthy fats.
Replace endurance/aerobic exercises with higher intensity interval type sprints and exercises.
I'd also put some thought into how you're avoiding tap water. Many plasticizers are xenoestrogens, so if you're getting water which has been shipping in the certain plastic containers in the back of a hot truck, you may be making the situation worse. Do some research on the plastics in your water source.
One thing I haven't been able to get a clear picture on is the lignans (a type of phytoestrogen) in flax seeds. It's been reported that when mixed with a low-fat diet, they lower testosterone (bad), but that could of course be due to the low-fat diet aspect. I've also read that they can block the aromatase which turns your testosterone into estrogen (good), purportedly some steroid users have used lignans to combat the moobs produced by the excess testosterone being converted to estrogens. Then I've read that they can induce your body to lock up testosterone in the blood such that it is not freely available (bad).
So, I don't know what to tell you there. You could always fall back on the scientific method, if you're rigorous enough. You know, actually compare yourself on flax seeds versus not on flax seeds, paying particular note to any puffiness in the nipples and changes in sexual arousal. The good news is that as an adult, experimenting a bit isn't likely to have the long-term detrimental effects that it might during childhood.
And at the end of the day, it's not the consumer's responsibility to subsidize an obsolete business model. If this business model cannot be enforced without suing any customer who chooses to ignore it, it's obsolete. And as more and more people are beginning to realize this, reason #2, guilt, will go away too.
My grocery store's business model is to stock food and charge me money for any items I take from the store. This business model can not be enforced if they don't press charges when I shoplift. Therefore grocery stores are obsolete.
Any security measures they might put in place may make it harder to shoplift, but this is artificial. As I get craftier, and start wearing bulkier coats for the winter, I can get food without paying for it with relative ease.
Of course, food scarcity is more or less real scarcity, not artificial. I know food != software, but your argument that a business which uses the law to prevent people from taking the product of it's work is just dumb.
You're absolutely right that it is not our responsibility to subsidize obsolete business models. However, if you don't want to subsidize a business model, then buy from competing business models or don't use products from that market at all.
Piracy is not a competing business model, it's just piracy. Just because a business model is obsolete doesn't make it ethical to do whatever the hell you want. You don't walk up to a newspaper stand, say "hey look, the Free Times right over there pays for itself with just advertisements" and then steal a copy of the New York Times while feeling all smug.
I think people have taken the music industry example and run too far with it. With the music industry there were/are legitimate concerns that the giants in the RIAA were fixing prices, intentionally squashing competition, and using the artists' popularity to further entrench themselves in the recording industry rather than paying a fair share back to the content creator.
In this case, however, the content creator is getting his cut. If you don't feel his content is worth his price, just don't use it.
Of course, finding some form of exercise that you enjoy is critical.
I realize that, much as people might mistake the summary to imply don't warm-up, some might take my disparaging of cycling posture to mean don't cycle. Being active is the most important thing. So, if you love cycling and it keeps you active, by all means keep doing it.
However, if you start developing chronic problems (shoulder pain, knee pain, lower back pain...) be aware that there's a good chance it's linked to postural problems and muscular imbalances. This still doesn't mean have to quit cycling, but you will need to compensate for it with corrective exercises and stretches.
And if you're lucky, you've naturally got loose, limber muscles that aren't as susceptible to creep as the rest of us, and you may never experience aforementioned effects.
Actually, when they talk about the acute effects of stretching, they're talking about the immediate effects.
That is, weakened muscles are an acute effect because the effect only lasts ~30 minutes. Acute does not mean they stretched the bajeezus out of a muscle before the test.
Furthermore, you still seem to be having trouble grasping the difference between stretching, static stretching, and warming up.
The point wasn't so much that the arms must support a great deal of weight, but rather than they are under tension in an internally rotated state for long periods of time.
The "attack position" illustrated in your link is just a trade off between one form of bad posture for another: the spine is held straighter, but the hips are put into an even greater degree of flexion and the arms must support more weight. A similar trade off occurs when road racers switch to the elbows down, thumbs up style grip - it lessens the internal rotation of the arms, but tends to produce an even more kyphotic upper back.
Now, the picture of Danny Caluag does show a better posture, but do you ever see anybody ride like that for extended periods of time? Even then there's still the issue of the movement pattern being trained is unnatural, with high recruitment of the quads, but no complementary hamstring involvement, and the glutes are only fired through part of their range of motion.
On another side note, I don't know why they bothered to show Jason Richardson demonstrating "perfect form" on a power clean, as it is definitely not perfect form. This http://www.youtube.com/watch?v=6TlbDQUWs0s however, is basically perfect form. Note that her arms are pointed down, slightly back, not pointed forwards!
Yeah, sitting at a desk is the root of a whole bunch of problems. Anterior knee pain, hamstring pulls, lower back pain, lordosis and kyphosis can all have their roots in over-tight hip flexors.
Of note, I'm not a doctor, and I can't evaluate your specific problems over the internet. So, while I can't give you professional medical advice, I can give you some tips and tricks that helped me.
- When you must sit at a desk for a long time, take regular breaks to stand up, move around a little, and squeeze your glutes (antagonists to the hip-flexors) like you're thrusting your groin forward (a little lewd, I know, but it ensures you're making the right movement).
- Stretch the hip-flexors! Everyday, maybe more! My favorite stretch is to stand beside my bed (may not work if your bed is very high or very low), and put one leg pointing backwards on the bed, while the other steps forward with the knee bent at about 90 degrees (so basically I'm in a lunge, but my back leg is laying on the bed rather than my knee on the ground). Then try to squeeze the back leg's glute, while keeping your spine as close to vertical as possible. To put emphasis on the rectus femoris (part of the quad that also acts as a hip flexor), you can also reach back and pull the back leg's foot into your butt, as in a quad stretch.
- Do external rotation exercises. (There are a bunch of possibilities here, use google. Even if you can't get into a gym to do these, you can just perform the same motion at home without weight, making sure to really squeeze the muscles in your back to fully pull back the arms).
Anyways, as I said, those are some things that have helped for me, YMMV, etc.
Dynamic stretching uses momentum to push a joint through the same range of motion as static stretching.
Ballistic stretching uses momentum to push a joint through a greater range of motion than static stretching.
So yes, it's a difference of degree. However, the two degrees should be easy to differentiate for someone who is paying attention to their body, and not just trying to slam the stretch as far as they can go.
And as always, nobody has ever said you should do any of this without warming up the muscles first.
Finally, as a side note, while I like it as a way of getting around, I think cycling is kind of a shitty choice of exercise when it comes to structural well being. Your hips are flexed throughout the whole movement; your hamstrings, and to a lesser extent glutes, can be taken out of the equation because your butt and hands are anchored; your arms must support your upper body for long periods of time in an internally rotated state; and in general the spine is usually held far from neutral.
Of course, I'm also one of those weirdos who thinks running shoes are bad for you, and instead wears vibram fivefingers when running or dead-lifting.
For those of you who don't RTFA, the summary could be misleading. TFA doesn't imply it's best to just jump straight into exercising. Rather you still need to do some warm-up activity (light jogging, jumping jacks, etc..), and then do dynamic stretches, rather than static stretches. What dynamic stretches you should do depends on your sport.
Furthermore, since this is slashdot, you all probably have terrible posture stemming from over-tight hip-flexors and internally rotated shoulders. Static stretching can be good to loosen the problem muscles. People who bother to stretch usually focus way to much on the hamstrings, when the hip flexors are much more likely to be the problem.
Sort of. The additional relativistic mass does indeed contribute to the particle's momentum so that an electron at 0.9999 c could exert as much thrust as an argon atom at 0.5 c (0.9999 being an arbitrary number of nines).
However, good ol' E = mc^2 doesn't let us get away that easily. It turns out that all the energy needed to accelerate the electron to speeds high enough to pick up the additional rest mass adds mass no matter what form the energy is stored in. That is, if it takes 1.21 gigawatt-hours of energy to accelerate an electron so that it weighs 1 lb, then when I charge my battery up with 1.21 gigawatt-hours the battery will be at least 1 lb heavier, just due to the energy stored in it.
So, you're not really getting extra mass, you're just keeping less of the mass as rest mass and more as energy-mass.
I think for the same accelerating voltage, using heavier particles is more efficient, but it's too late for me to be particularly rigorous (extreme example -> photon is all relativistic mass but provides very little thrust per unit energy). And of course, that's not even considering the technical difficulties in building an accelerator that can push a lot of particles close to 1 c in a spaceship.
The other advantage is maximum top speed. If your hydrazine rocket can expel mass at, say, 1000 mph (making numbers up here) then the top speed of your rocket is 1000mph for reasons I hope are obvious. But ion engines can potentially eject mass at much higher speeds.
Wrong. This completely fails the concept of relativity. The rocket expels mass at 1000 mph from its reference frame. It pushes on the exhaust, and hence the exhaust pushes back, causing the rocket to accelerate. The rocket does not care what reference frame (say, the surface of Earth) you choose to watch it from.
While close to it, I don't think my viewpoint is purely a capitulation to mediocrity. The point wasn't that this guy is no good, just that we can't be sure he's good. However, we know the other politicians in Kansas are no good.
So, the intended point was that it's better to vote for someone who stands a chance of being different than to vote for the same old crap because they're "actual politicians."
While I haven't donated, I say give the guy a chance. Has he thought everything through? Probably not, but our political system is filled with the merely ignorant to the truly cretinous caricatures or corruption. If he wins I'll be interested in following his story, see how an outsider does.
Or to put it another way, do we have good reason to put much faith in this guy? No, but we have a whole lot of reasons to not put any faith in the other guys.
First off, yes, I RTFA. Secondly, we're talking about making a mechanical device which with some semblance of accuracy keeps track of time over 10,000 years. Compared to that I don't see how making a chart last 10,000 years is much of a technical feat. Engrave it in something so you don't have to worry about ink fading, then apply whatever techniques you use to safeguard your clock from the weathering effects of time. I thought it would be an obvious enough move to make a physical copy of the chart and bolt that sucker to the front of the clock or near to it that I need not write it out. Apparently I was wrong.
Will they know it's a conversion chart? Maybe not, but you know, people are decent pattern recognizers, presuming they're concerned enough to investigate, I think they'll realize that there's a reason we grouped [3 cows] with [cow cow cow] and [3 birds] with [bird bird bird] and then pick out the common elements.
Speaking of RTFA, did you even read my responses before replying? For example, I already mentioned the possibility that future people might not have a well developed numbering system. In that case, yeah, it's gonna be hard to easily communicate the passage of long lengths of time to them. But you know, our numbering system wasn't given to us; we generated it, perhaps in a flash of insight or more likely it grew slowly from methods of keeping track of a small number of items into a system capable of representing arbitrary quantities. And maybe, just maybe, if our chart was really well done, and some curious kid stared at it for hours everyday, it could jump start that development in some future number-less society.
As for this sky business, I don't see what it solves. If they're not already in the business of counting years, what exactly is it going to communicate to them? If they aren't able to decipher that certain configurations of the sky correspond to certain times, how is it any different from the clock making a going GONG, or having a mechanical bird pop out? How does it help communicate the long thread of time that connects every human generation to its ancestors and descendants?
Slashdot Mirror
Fun fact: there are essential proteins (well, amino acids), and essential fats, but there are no essential carbohydrates.
There certainly is a relationship between calories consumed, calories burned exercising, and weight, but this is not the whole picture. Hormones and metabolism can not be ignored.
Now, I'm not a no carb guy, but I do subscribe to the notion that most of your carbs should come from fruits and veggies, rather than sodas, pastas, breads, etc. Turns out, though, it's hard to get a ton of carbs from veggies. On the flip side, I think most people don't pay nearly enough attention to the quality of their fat sources - fat should come from grass-fed meats, fish, eggs, nuts, etc.
Interesting way to get back on topic - most ankle injuries could be avoided if we went barefoot.
Barefooting won't save your ankles from a hammer, but there's no reason people should be spraining their ankles with body weight loading.
Social constraints may make actually going barefoot difficult, but I've found Vibram Fivefingers to give the same ankle protective effects, which is why I'm wearing some right now. After getting to the point where I could do all my running and weightlifting in them, I've had rock solid ankles.
I would certainly agree this is largely semantics, and that the shitty feelings, whatever the cause, are complex chemical responses.
However, is personality also not a chemical thing? Isn't an addictive personality due to an unusual dopamine response (can't remember whether it's signal or receptor, and over or under active, but that's immaterial here)? Are there not chemical bases behind aggressive, nurturing, apathetic personalities?
My point was not that these aren't chemical things, but rather, everything is chemistry, so I'm just trying to apply labels to certain parts of chemistry so that they line as consistently as possible with normal language use.
While the general population may not articulate it as such, I'd say in general usage personality is something of a look-up table for how a given individual will respond to situations whereas "self" is the qualia of self-awareness and experience. For example, your personality describes whether you'll stay calm and collected or freak out when thrust into a new situation, whether you'll take charge or sit back when a power vacuum arises, or whether you'll sit in the corner or strike out and meet people at a party (many more possible examples, not all based on dominance). Self is that gooey, even more ill-defined subject that philosophers are always going on about (which I happen to think boils down to information processing structures in those vast chemical reactions, but that is another discussion).
Let me take the opposite cant. I am reasonably tall, much stronger than the average man, and exceptionally intelligent. I earned a triple major in 4 years while being paid to go to school, all the while sleeping through classes, and procrastinating as much as possible. I competed in two body building competitions, for which I dieted between 1/3 and 1/4 the time that other competitors had to. The only unnatural aid I used for any of this was a bit of caffeine when realized it was 1 AM and I hadn't started on the lab report due that morning, and even that wasn't all that important since I don't respond strongly to caffeine.
Does this mean I am uber-satisfied and proud of myself as uber-man? No. My exceptional abilities are only made possible through genetics and luck. Not only did I not earn these abilities, I didn't even choose them. I have great respect for those who must and do work to achieve significant goals. If innate abilities were somehow only rewarded to the worthy, then it might make sense to feel shitty about having to artificially enhance one's ability, but that is not the case. Likewise, being deceptive in your usage of enhancements is bad, but to say that he who works hard and openly with aids cannot be proud of his hard work is disingenuous.
I would say you're setting up a false dichotomy. Look at sports and performance enhancing drugs. To athletes and trainers what is steroid and what is supplement is mostly about the law.
Broccoli - anti-estrogenic, but totally natural food.
Glutamine and Leucine - natural amino acids found in protein, help your body recover, but you may not be able to get enough quickly enough from normal whole foods.
Creatine and Beta Alanine - present in small amounts in meat, improve your muscle's ability to do hard work, but to get the normal supplement amounts you'd have to be stuffing your face with beef all day.
Pro-hormones - amped up doses of the building blocks and signalers your body needs to manufacture hormones.
Steroids - don't magically add muscle, but improve the body's response to hard work at the gym, and allow one to work harder without over training.
There are a bunch more performance aids along the continuum which I don't have time to enumerate, but the point is that it's just that, a continuum.
Step 1 - introduce Stranger A to your friend Alice, when Alice is having a bad day.
Step 2 - introduce Stranger B to your friend Alice, when Alice is having a good day.
Step 3 - ask Strangers A and B to describe Alice's personality. Ding ding ding! They describe different personalities.
But wait, you say, one person's description based on purposely limited evidence is not a complete picture of Alice's personality, the old 3-blind-men-feeling-an-elephant-and-describing-it problem. Indeed this is true. A complete picture of someone's personality would account for the variation in their behaviors, as well as the distribution of those various modes, and anti-depressants could clearly alter that distribution.
If anti-depressants perceptibly alter one's distribution of behavior, I see no reason to say they don't alter one's personality. Of course, it's conceivable someone could feel better internally but not act any different, but that doesn't seem to be what you're saying. You seem to be saying that different behavior != different personality, and I'm asking, well why not?
One could point out that situations affect behavior without affecting personality. If your dog died, you lost your wallet, broke a bone, and your girl-friend broke up with you in the span of a couple weeks, you'd probably be feeling pretty shitty in a way that would affect your behavior. However, this kind of feeling-shitty, unlike with depression, is directly caused by shitty-stimuli and leads to feeling-shitty-behavior. If it were the environmental stimuli of taking anti-depressants that directly lead to more-optimistic-personality-behavior, then I would counter that taking the placebo would provide the exact same environmental stimuli, and hence should lead to the same behavioral changes. However, it doesn't, so I don't think it's unfair to label an anti-depressant as possibly personality-altering.
oh, is that what they were doing? silly me...i thought they were lining their own pockets and looting the treasury for themselves and their investors & business partners while they had the opportunity.
Yes, that too, and that fits in with my point which I guess I never explicitly stated. Free-market-as-the-neocons-deem-it is a joke, but, there are free market economists who have been making very accurate multi-year predictions. To ignore the economists because of the neocons feckless behavior is poor judgment.
I had actually thought of mentioning the parallel with communism; I don't see that it opens any logical flaws in my point. In any event, it seems failures in Soviet Union communism arose both through abuse of power and through inherent flaws in communism - disincentivizing hard work.
Finally, I don't consider myself a 100% gung-ho free-marketer. I'm actually *gasp* undecided on how much of a role I think the government should play in the market. So, I'm taking data now to form a stronger opinion - I'm listening to predictions (not postdictions) from guys like Peter Schiff, and comparing them to the Obama crew's, and holding onto my fiscal-butt for a few years while we see who was right, or righter.
It also occurs to me that free market ideas may be a useful tool to analyze the market but have no good, practical way to implement. I'm trying to keep an open mind regardless of who is popularly associated with an idea.
While I agree Libertarianism can be taken too far, that doesn't mean free market principles are inherently so terribly misguided.
Take a look on youtube at guys like Peter Schiff - who nailed the current economic collapse years in advance based on free market principles. The fact is Bush et. al. weren't even remotely interested in running a true free market, and in trying to quiet the economic grumblings following the dot-com-bubble-bursting set the stage for an even bigger crisis.
The failure of a shitty implementation of an idea by a government only paying lip-service to the idea and known for not letting go of power is hardly an indictment of the idea itself.
The other side of the coin is that a free market does need to prevent fraud, but again the government seems only weakly interested in such things. People had been trying to blow open the Madoff scam for years, but for some reason the SEC didn't want to pay attention
One thing I think would be really cool is basically an iPhone with tactile feedback. Imagine a grid of small click-able buttons behind a flexible touch screen. Software can then match up a virtual keyboard, menu items, etc. to the underlying buttons, so that you can both feel when you've clicked and tell where it thinks you clicked based on the way the screen depresses.
Both parent and grandparent have parts of the truth.
The velocity determines the relative rates of aging. However, if neither frame of reference accelerates, then both can claim with equal validity that the other is the one moving and hence the one aging slowly.
The acceleration of leaving the earth on a rocket, turning around, and coming back is what breaks the symmetry between the two reference frames so that both earthlings and astronaut agree the astronaut aged less.
Point 1) When the counterweight is at geostationary orbit, it won't provide any pull, so you'll still have to push the cargo up until the half-way point. You could argue that that after half-way it would then be possible to regain the energy used (minus conversion inefficiencies), but the same argument could be applied if you didn't have any counterweight, and used regenerative braking as the elevator came back down.
Point 2) Seriously, a 42,000 km cable flexible enough to bend 180 degrees around a pulley? I don't think even spider silk will save us there.
Here are some tips to complement what you've read:
Never use plastic containers for warm food/drink.
Take zinc before you go to bed (zinc on an empty stomach will make some people nauseous, so take it with dinner if need be).
Eat lots of broccoli, it's anti-estrogenic.
Do eat plenty of fat and cholesterol, just make sure it's from good sources. Low fat diets are shown to decrease your testosterone production. If you're not eating fish, grass-fed beef is a good way to get some healthy fats.
Replace endurance/aerobic exercises with higher intensity interval type sprints and exercises.
I'd also put some thought into how you're avoiding tap water. Many plasticizers are xenoestrogens, so if you're getting water which has been shipping in the certain plastic containers in the back of a hot truck, you may be making the situation worse. Do some research on the plastics in your water source.
One thing I haven't been able to get a clear picture on is the lignans (a type of phytoestrogen) in flax seeds. It's been reported that when mixed with a low-fat diet, they lower testosterone (bad), but that could of course be due to the low-fat diet aspect. I've also read that they can block the aromatase which turns your testosterone into estrogen (good), purportedly some steroid users have used lignans to combat the moobs produced by the excess testosterone being converted to estrogens. Then I've read that they can induce your body to lock up testosterone in the blood such that it is not freely available (bad).
So, I don't know what to tell you there. You could always fall back on the scientific method, if you're rigorous enough. You know, actually compare yourself on flax seeds versus not on flax seeds, paying particular note to any puffiness in the nipples and changes in sexual arousal. The good news is that as an adult, experimenting a bit isn't likely to have the long-term detrimental effects that it might during childhood.
it's strangely fun typing large words with only your left hand :D
Pavlov's effect?
My grocery store's business model is to stock food and charge me money for any items I take from the store. This business model can not be enforced if they don't press charges when I shoplift. Therefore grocery stores are obsolete.
Any security measures they might put in place may make it harder to shoplift, but this is artificial. As I get craftier, and start wearing bulkier coats for the winter, I can get food without paying for it with relative ease.
Of course, food scarcity is more or less real scarcity, not artificial. I know food != software, but your argument that a business which uses the law to prevent people from taking the product of it's work is just dumb.
You're absolutely right that it is not our responsibility to subsidize obsolete business models. However, if you don't want to subsidize a business model, then buy from competing business models or don't use products from that market at all.
Piracy is not a competing business model, it's just piracy. Just because a business model is obsolete doesn't make it ethical to do whatever the hell you want. You don't walk up to a newspaper stand, say "hey look, the Free Times right over there pays for itself with just advertisements" and then steal a copy of the New York Times while feeling all smug.
I think people have taken the music industry example and run too far with it. With the music industry there were/are legitimate concerns that the giants in the RIAA were fixing prices, intentionally squashing competition, and using the artists' popularity to further entrench themselves in the recording industry rather than paying a fair share back to the content creator.
In this case, however, the content creator is getting his cut. If you don't feel his content is worth his price, just don't use it.
Of course, finding some form of exercise that you enjoy is critical.
I realize that, much as people might mistake the summary to imply don't warm-up, some might take my disparaging of cycling posture to mean don't cycle. Being active is the most important thing. So, if you love cycling and it keeps you active, by all means keep doing it.
However, if you start developing chronic problems (shoulder pain, knee pain, lower back pain...) be aware that there's a good chance it's linked to postural problems and muscular imbalances. This still doesn't mean have to quit cycling, but you will need to compensate for it with corrective exercises and stretches.
And if you're lucky, you've naturally got loose, limber muscles that aren't as susceptible to creep as the rest of us, and you may never experience aforementioned effects.
Actually, when they talk about the acute effects of stretching, they're talking about the immediate effects.
That is, weakened muscles are an acute effect because the effect only lasts ~30 minutes. Acute does not mean they stretched the bajeezus out of a muscle before the test.
Furthermore, you still seem to be having trouble grasping the difference between stretching, static stretching, and warming up.
The point wasn't so much that the arms must support a great deal of weight, but rather than they are under tension in an internally rotated state for long periods of time.
The "attack position" illustrated in your link is just a trade off between one form of bad posture for another: the spine is held straighter, but the hips are put into an even greater degree of flexion and the arms must support more weight. A similar trade off occurs when road racers switch to the elbows down, thumbs up style grip - it lessens the internal rotation of the arms, but tends to produce an even more kyphotic upper back.
Now, the picture of Danny Caluag does show a better posture, but do you ever see anybody ride like that for extended periods of time? Even then there's still the issue of the movement pattern being trained is unnatural, with high recruitment of the quads, but no complementary hamstring involvement, and the glutes are only fired through part of their range of motion.
On another side note, I don't know why they bothered to show Jason Richardson demonstrating "perfect form" on a power clean, as it is definitely not perfect form. This http://www.youtube.com/watch?v=6TlbDQUWs0s however, is basically perfect form. Note that her arms are pointed down, slightly back, not pointed forwards!
Yeah, sitting at a desk is the root of a whole bunch of problems. Anterior knee pain, hamstring pulls, lower back pain, lordosis and kyphosis can all have their roots in over-tight hip flexors.
Of note, I'm not a doctor, and I can't evaluate your specific problems over the internet. So, while I can't give you professional medical advice, I can give you some tips and tricks that helped me.
- When you must sit at a desk for a long time, take regular breaks to stand up, move around a little, and squeeze your glutes (antagonists to the hip-flexors) like you're thrusting your groin forward (a little lewd, I know, but it ensures you're making the right movement).
- Stretch the hip-flexors! Everyday, maybe more! My favorite stretch is to stand beside my bed (may not work if your bed is very high or very low), and put one leg pointing backwards on the bed, while the other steps forward with the knee bent at about 90 degrees (so basically I'm in a lunge, but my back leg is laying on the bed rather than my knee on the ground). Then try to squeeze the back leg's glute, while keeping your spine as close to vertical as possible. To put emphasis on the rectus femoris (part of the quad that also acts as a hip flexor), you can also reach back and pull the back leg's foot into your butt, as in a quad stretch.
- Stretch your pecs.
- Do scapula push-ups.
- Do glute bridges. http://www.trainwithmeonline.com/exercise_57_Glute_Bridges.html
- Do external rotation exercises. (There are a bunch of possibilities here, use google. Even if you can't get into a gym to do these, you can just perform the same motion at home without weight, making sure to really squeeze the muscles in your back to fully pull back the arms).
Anyways, as I said, those are some things that have helped for me, YMMV, etc.
Dynamic stretching uses momentum to push a joint through the same range of motion as static stretching.
Ballistic stretching uses momentum to push a joint through a greater range of motion than static stretching.
So yes, it's a difference of degree. However, the two degrees should be easy to differentiate for someone who is paying attention to their body, and not just trying to slam the stretch as far as they can go.
And as always, nobody has ever said you should do any of this without warming up the muscles first.
Finally, as a side note, while I like it as a way of getting around, I think cycling is kind of a shitty choice of exercise when it comes to structural well being. Your hips are flexed throughout the whole movement; your hamstrings, and to a lesser extent glutes, can be taken out of the equation because your butt and hands are anchored; your arms must support your upper body for long periods of time in an internally rotated state; and in general the spine is usually held far from neutral.
Of course, I'm also one of those weirdos who thinks running shoes are bad for you, and instead wears vibram fivefingers when running or dead-lifting.
For those of you who don't RTFA, the summary could be misleading. TFA doesn't imply it's best to just jump straight into exercising. Rather you still need to do some warm-up activity (light jogging, jumping jacks, etc..), and then do dynamic stretches, rather than static stretches. What dynamic stretches you should do depends on your sport.
Furthermore, since this is slashdot, you all probably have terrible posture stemming from over-tight hip-flexors and internally rotated shoulders. Static stretching can be good to loosen the problem muscles. People who bother to stretch usually focus way to much on the hamstrings, when the hip flexors are much more likely to be the problem.
Sort of. The additional relativistic mass does indeed contribute to the particle's momentum so that an electron at 0.9999 c could exert as much thrust as an argon atom at 0.5 c (0.9999 being an arbitrary number of nines).
However, good ol' E = mc^2 doesn't let us get away that easily. It turns out that all the energy needed to accelerate the electron to speeds high enough to pick up the additional rest mass adds mass no matter what form the energy is stored in. That is, if it takes 1.21 gigawatt-hours of energy to accelerate an electron so that it weighs 1 lb, then when I charge my battery up with 1.21 gigawatt-hours the battery will be at least 1 lb heavier, just due to the energy stored in it.
So, you're not really getting extra mass, you're just keeping less of the mass as rest mass and more as energy-mass.
I think for the same accelerating voltage, using heavier particles is more efficient, but it's too late for me to be particularly rigorous (extreme example -> photon is all relativistic mass but provides very little thrust per unit energy). And of course, that's not even considering the technical difficulties in building an accelerator that can push a lot of particles close to 1 c in a spaceship.
The other advantage is maximum top speed. If your hydrazine rocket can expel mass at, say, 1000 mph (making numbers up here) then the top speed of your rocket is 1000mph for reasons I hope are obvious. But ion engines can potentially eject mass at much higher speeds.
Wrong. This completely fails the concept of relativity. The rocket expels mass at 1000 mph from its reference frame. It pushes on the exhaust, and hence the exhaust pushes back, causing the rocket to accelerate. The rocket does not care what reference frame (say, the surface of Earth) you choose to watch it from.
While close to it, I don't think my viewpoint is purely a capitulation to mediocrity. The point wasn't that this guy is no good, just that we can't be sure he's good. However, we know the other politicians in Kansas are no good.
So, the intended point was that it's better to vote for someone who stands a chance of being different than to vote for the same old crap because they're "actual politicians."
While I haven't donated, I say give the guy a chance. Has he thought everything through? Probably not, but our political system is filled with the merely ignorant to the truly cretinous caricatures or corruption. If he wins I'll be interested in following his story, see how an outsider does.
Or to put it another way, do we have good reason to put much faith in this guy? No, but we have a whole lot of reasons to not put any faith in the other guys.
First off, yes, I RTFA. Secondly, we're talking about making a mechanical device which with some semblance of accuracy keeps track of time over 10,000 years. Compared to that I don't see how making a chart last 10,000 years is much of a technical feat. Engrave it in something so you don't have to worry about ink fading, then apply whatever techniques you use to safeguard your clock from the weathering effects of time. I thought it would be an obvious enough move to make a physical copy of the chart and bolt that sucker to the front of the clock or near to it that I need not write it out. Apparently I was wrong.
Will they know it's a conversion chart? Maybe not, but you know, people are decent pattern recognizers, presuming they're concerned enough to investigate, I think they'll realize that there's a reason we grouped [3 cows] with [cow cow cow] and [3 birds] with [bird bird bird] and then pick out the common elements.
Speaking of RTFA, did you even read my responses before replying? For example, I already mentioned the possibility that future people might not have a well developed numbering system. In that case, yeah, it's gonna be hard to easily communicate the passage of long lengths of time to them. But you know, our numbering system wasn't given to us; we generated it, perhaps in a flash of insight or more likely it grew slowly from methods of keeping track of a small number of items into a system capable of representing arbitrary quantities. And maybe, just maybe, if our chart was really well done, and some curious kid stared at it for hours everyday, it could jump start that development in some future number-less society.
As for this sky business, I don't see what it solves. If they're not already in the business of counting years, what exactly is it going to communicate to them? If they aren't able to decipher that certain configurations of the sky correspond to certain times, how is it any different from the clock making a going GONG, or having a mechanical bird pop out? How does it help communicate the long thread of time that connects every human generation to its ancestors and descendants?