Just goes to show that the highest bandwidth device on the planet is a large container ship filled with hard drives. Of course if you need a lower latency device you can always use a cargo 747. If you do the math it blows fiber out of the water. If course of you have a container wash off deck the retransmit time for packet loss in rather high. The TTL for washed over cargo can be sometimes be in the years, such as for these rubber ducks http://rubaduck.com/news/rubber_duck_news-200302-duckies_around_the_world.htm.
For hiring electrical engineers I simply draw an LED symbol on the white board along with an AC symbol and ask them to connect them. In the last 10 years I've not had a recent EE grad from our state's well regarded engineering school able to accomplish the task. Lighting up an LED is the hello world of electronics. For software I would ask them to implement equally basic tasks, such as, "here is a list of 10 number, write a program to sort them from largest to smallest." When I am involved in interviewing candidates for business positions I ask them to draw a demand curve elasticity for our product.Again something that a sophomore should know, but a surprising number of MBAs start tap dancing around because they simply do not know the answer. If people can not figure out solutions to very simple problems they are applying for the wrong job.
And since this is/. I will tell you that no one has simply drawn a line between the AC and diode symbols, but I would give them points for smugness if they did.
Religion is another. "Oh, I see from your application that you have an account at the Methodist church forum. We are only hiring Lutherans today." While anybody can hit Google, you are right that formalizing it is just a law suit waiting to happen.
Atrox'
I agree that advances in super capacitor are important to electric vehicles, but I've yet to see any number that suggest that they will be the main energy storage device. They ave a great fast response curve. Need to accelerate or dump power back from regenerative breaking they are perfect. There may even be a place for fast mini fill-ups. If you need to story huge amounts of energy in a reasonably small place for a long time then capacitor do quite fit the bill. They can and do need to be added to vehicle power supplies, but only as part of the solution to improve the efficiency of the batteries. It is really a question of power density vs. energy density.
I designed a navigation display product some years ago for shipborne application (think bridge of supertankers) and we put it through a standard shake & vibe test. Everything came through fine except the video was scruzled. At first we assumed the CRTs died but upon investigation we found that the connectors on the MB ate their way through the gold fingers on the PCI video card. As electrical engineers we learned a lot of hard lessons. Shake and vibe are tough and since every system is going to have different harmonics it is hard to generalize. Simple rules of thumb and intuition may serve you poorly. In some cases shock mounts made things worse.
Another example are tube amps (that would be valve amps to our British cousins). They impose a filter effect that audiophiles love - or at least used to love. Audiophiles complained bitterly about how harsh sounding even high resolution digital recording sounded when they first come out.
I recall something about tubes effecting odd and even harmonics differently and imparting an effect described as "warmer" on the music. Tubes have a non trivial variance in performance so don't get an audiophiles started on the Abby Road recording system.
My wife had this "grout" injected on an experimental basis to fill in for a a couple crushed disks. She was in constant severe pain before, but after the surgery she has found her back get better and better. Her middle aged back will never be as strong or pain free as a 19 year old's, but at least she has a back that if she does not do any lifting over 25 pounds and is careful she is pain free. The surgery also used some tubular "spacer" to keep the joints apart until things fused. The x-rays showed her back joints fused just as planed in a matter of weeks. I don't if she had the same stuff or if we would have had the same outcome with the same good surgeon, but it has been a wonderful outcome that has vastly improved both our lives.
To what extent does the epigenome complicate all of these dreams? Or for that matter, are you really recreating a species if you have not created a cultural context for that individual given that mammoths and Neanderthals are both very cultural creatures?
There are so many real life puzzles that you can dedicate yourself to solving. The food bank, the local stream restoration group, your local university will have tones volunteer opportunities as well as your local elementary school. There are also many international projects such as Engineers Without Boarders working on clean drinking water, lighting and cooking. These projects have real story lines that effect real people and solving these real problems will introduce you to real people and make you feel real good. Be a producer not just a consumer!
This has nothing to do with IT, per se, but everything to do with just a plain old disgruntled employee. Any employ can toss a few monkey wrenched in the gears on the way out the door. Plug a sink and let the water run, leave some doors unlocked, publish you emails, whatever. If this has become such a big deal with IT employees than perhaps it is a problem with IT employees? You think IT folks have it bad, try being the janitor!
Of course the grid can handle wind and solar. Denmark and Germany has done it for some time. There are some simple ways to use our existing grid with minor tweaks and it will preform just fine. There are some large industrial interruptable loads such as ice and cold storage plants that can go on and off line very quickly while slow to fire-up sources can come on line. The Nuc and coal industries spend a ton of cash on shaping public opinion - do not listen to it. Get informed and do the math on you own. Sure our grid is old and needs upgrading, but that needs to happen even more so if we stick with centralized mega nuc and coal plants. The need to reinvest in infrastructure never goes away.
I am so tired of interviewing recently degreed EEs who know a lot of Verilog, but know nothing about electricity. I've stopped asking the "hard" questions and bring them up to the white board, draw a symbol for 110 VAC and a LED and ask them to show be what goes in between. I also ask a lot about what they have done themselves - not as part of a team. I'd love to have someone who grew-up hacking battle-bots or ham radio or make anything with their own hands - enclosure included, even if they did nothing but solder up some really cool stereo leads cables. At least they wold know which end of a soldering iron to grab. You'd be surprised at how many EEs do not know what comes out of the wall (110 VAC) let alone how to convert it to conditioned low voltage DC
At this point there is a 65 year old wood worker I am trying to figure out how to hire over a bunch of MSEEs because he thinks like an engineer, solves problems in the real world and I believe I can teach him calculus and circuit design faster than I can teach the MSEEs that I'm seeing how to handle ESD, manufacturerability, the impacts of mechanical issues, PCB layout, or to even have enough common sense to include a FUSE in their power designs!!!!!
When energy is talked about renewables are rightly a star item, but ultimately efficiency is the real winner. Efficiency can generate a negawatt for an order of magnature less cost then new energy sources can generate a megawatt. Payback for low hanging efficiency is on the order a 0 to 3 years. And there is no greener megawatt than the megawatt you don't generate.
The problem being addresses is the intermittent nature some renewable power sources (e.g., wind & solar). In some cases the delivery curve from some sources will match your demand curve and then you have a win. Of course sometimes it does not match the demand curve so you have three options: 1) add more distributed capacity to handle any peak needs so that even if one hears has clouds or no wind the rest make up for that (very high capital cost), 2) create a storage medium such as pumped water, compressed air, chemical batteries, or in the case of thermal solar thermal storage (heat up a really big tank of sodium metal) - it is all a matter of creating "capacitance" in the system, 3) The best way to manage a non-ideal supply curve is to alter your demand curve. There are many big energy user such as ice plants, chemical plants, water pumping, and other industrial plants that can be interrupted on short notice or be scheduled to change the shape of the demand curve. Also, expect to start seeing appliance that will get cues from the utility company to postpone their demand until power is cheaper.
I guess this goes back to the original question and what bandwidth are we trying to absorb? Is this just PV bears or are we talking themro-solar bears?
SO I guess white fur and black skin opens all kinds of opportunities for advertisers to shave sponsorship logos into polar bear's fur. Too bad the skin is not red or blue as it would open up all kinds of Coke or Pepsi opportunities. If I were a polar bear it seems like Apple might be a good sponsor to approach.
Polar bears make very poor harry solar solar collectors. Their white fur has a very high albedo and their high latitude habitat results in high Angle of incidence. Generally speaking, grizzlies and black bears are a much better choice of harry solar collectors given their fur color and more equatorial habitat. So the correct solution is to hunt down all the grizzlies and black bears for their skins to make super efficient solar panels so that we can stop the global warming and thus save all the polar bears. There is also the case of the ghost bears, but I'm not clear on their IR albedo.
Slashdot Mirror
Just goes to show that the highest bandwidth device on the planet is a large container ship filled with hard drives. Of course if you need a lower latency device you can always use a cargo 747. If you do the math it blows fiber out of the water. If course of you have a container wash off deck the retransmit time for packet loss in rather high. The TTL for washed over cargo can be sometimes be in the years, such as for these rubber ducks http://rubaduck.com/news/rubber_duck_news-200302-duckies_around_the_world.htm.
And since this is /. I will tell you that no one has simply drawn a line between the AC and diode symbols, but I would give them points for smugness if they did.
Religion is another. "Oh, I see from your application that you have an account at the Methodist church forum. We are only hiring Lutherans today." While anybody can hit Google, you are right that formalizing it is just a law suit waiting to happen.
Atrox' I agree that advances in super capacitor are important to electric vehicles, but I've yet to see any number that suggest that they will be the main energy storage device. They ave a great fast response curve. Need to accelerate or dump power back from regenerative breaking they are perfect. There may even be a place for fast mini fill-ups. If you need to story huge amounts of energy in a reasonably small place for a long time then capacitor do quite fit the bill. They can and do need to be added to vehicle power supplies, but only as part of the solution to improve the efficiency of the batteries. It is really a question of power density vs. energy density.
I designed a navigation display product some years ago for shipborne application (think bridge of supertankers) and we put it through a standard shake & vibe test. Everything came through fine except the video was scruzled. At first we assumed the CRTs died but upon investigation we found that the connectors on the MB ate their way through the gold fingers on the PCI video card. As electrical engineers we learned a lot of hard lessons. Shake and vibe are tough and since every system is going to have different harmonics it is hard to generalize. Simple rules of thumb and intuition may serve you poorly. In some cases shock mounts made things worse.
I recall something about tubes effecting odd and even harmonics differently and imparting an effect described as "warmer" on the music. Tubes have a non trivial variance in performance so don't get an audiophiles started on the Abby Road recording system.
On a broader level consider http://www.unv.org/ the United Nations Volunteers (UNV) program.
My wife had this "grout" injected on an experimental basis to fill in for a a couple crushed disks. She was in constant severe pain before, but after the surgery she has found her back get better and better. Her middle aged back will never be as strong or pain free as a 19 year old's, but at least she has a back that if she does not do any lifting over 25 pounds and is careful she is pain free. The surgery also used some tubular "spacer" to keep the joints apart until things fused. The x-rays showed her back joints fused just as planed in a matter of weeks. I don't if she had the same stuff or if we would have had the same outcome with the same good surgeon, but it has been a wonderful outcome that has vastly improved both our lives.
Now if Facebook will just forward their bank account information to Nigeria I'm sure the spammer will send them the money plus a large fee
To what extent does the epigenome complicate all of these dreams? Or for that matter, are you really recreating a species if you have not created a cultural context for that individual given that mammoths and Neanderthals are both very cultural creatures?
There are so many real life puzzles that you can dedicate yourself to solving. The food bank, the local stream restoration group, your local university will have tones volunteer opportunities as well as your local elementary school. There are also many international projects such as Engineers Without Boarders working on clean drinking water, lighting and cooking. These projects have real story lines that effect real people and solving these real problems will introduce you to real people and make you feel real good. Be a producer not just a consumer!
Kent: What?
Mitch: (os) What do you think...
(Chris & Mitch's Room) ...a secret phase conjugate...
Mitch: (into microphone)
(Kent's Room) ...tracking system is for? A big mirror makes a big beam
Mitch: (os)
Minor point, but at approximately 8 deg 43 min N, 167 deg 44 min E would Kwajalein not be in the Northern Pacific or at least Central Pacific?
This has nothing to do with IT, per se, but everything to do with just a plain old disgruntled employee. Any employ can toss a few monkey wrenched in the gears on the way out the door. Plug a sink and let the water run, leave some doors unlocked, publish you emails, whatever. If this has become such a big deal with IT employees than perhaps it is a problem with IT employees? You think IT folks have it bad, try being the janitor!
I'd have to agree that Wing is a nice, solid, thin and clean solution. There is a free limited version and a low cost (about $35 IIRC) full version.
Of course the grid can handle wind and solar. Denmark and Germany has done it for some time. There are some simple ways to use our existing grid with minor tweaks and it will preform just fine. There are some large industrial interruptable loads such as ice and cold storage plants that can go on and off line very quickly while slow to fire-up sources can come on line. The Nuc and coal industries spend a ton of cash on shaping public opinion - do not listen to it. Get informed and do the math on you own. Sure our grid is old and needs upgrading, but that needs to happen even more so if we stick with centralized mega nuc and coal plants. The need to reinvest in infrastructure never goes away.
At this point there is a 65 year old wood worker I am trying to figure out how to hire over a bunch of MSEEs because he thinks like an engineer, solves problems in the real world and I believe I can teach him calculus and circuit design faster than I can teach the MSEEs that I'm seeing how to handle ESD, manufacturerability, the impacts of mechanical issues, PCB layout, or to even have enough common sense to include a FUSE in their power designs!!!!!
When energy is talked about renewables are rightly a star item, but ultimately efficiency is the real winner. Efficiency can generate a negawatt for an order of magnature less cost then new energy sources can generate a megawatt. Payback for low hanging efficiency is on the order a 0 to 3 years. And there is no greener megawatt than the megawatt you don't generate.
The problem being addresses is the intermittent nature some renewable power sources (e.g., wind & solar). In some cases the delivery curve from some sources will match your demand curve and then you have a win. Of course sometimes it does not match the demand curve so you have three options: 1) add more distributed capacity to handle any peak needs so that even if one hears has clouds or no wind the rest make up for that (very high capital cost), 2) create a storage medium such as pumped water, compressed air, chemical batteries, or in the case of thermal solar thermal storage (heat up a really big tank of sodium metal) - it is all a matter of creating "capacitance" in the system, 3) The best way to manage a non-ideal supply curve is to alter your demand curve. There are many big energy user such as ice plants, chemical plants, water pumping, and other industrial plants that can be interrupted on short notice or be scheduled to change the shape of the demand curve. Also, expect to start seeing appliance that will get cues from the utility company to postpone their demand until power is cheaper.
You'll have to speak British to get this.
SO I guess white fur and black skin opens all kinds of opportunities for advertisers to shave sponsorship logos into polar bear's fur. Too bad the skin is not red or blue as it would open up all kinds of Coke or Pepsi opportunities. If I were a polar bear it seems like Apple might be a good sponsor to approach.
Polar bears make very poor harry solar solar collectors. Their white fur has a very high albedo and their high latitude habitat results in high Angle of incidence. Generally speaking, grizzlies and black bears are a much better choice of harry solar collectors given their fur color and more equatorial habitat. So the correct solution is to hunt down all the grizzlies and black bears for their skins to make super efficient solar panels so that we can stop the global warming and thus save all the polar bears. There is also the case of the ghost bears, but I'm not clear on their IR albedo.
OT:And you thought *IAA was heavy handed, at least they don't have the powers of DoD or The Governor and Company of Adventurers of England trading into Hudson's Bay (HBC was allowed to raise armies and make war...).
Check out how the border patrol is detaining people domestically in this new story
Just read about how DHS is setting up internal domestic check points: SlashDot