yes, it's small, but it clearly indicates the direction of changes - the planets aren't going to stretch their orbits any. Sooner Sun's temperature could change, resulting in climate changes.
These are CARDINAL sins. DEADLY sins are a completely different family (bestiality, sodomy, incest, killing your brother/sister, assaulting your parents, possibly more I don't quite remember.) And yet there are sins against the comandments. Sins against the 10 commandments come from Moses books. The cardinal 7 were added later. Deadly sins are supposedly non-redeemable, you go straight to hell for yiffing your mare, and no way to get around it.
Slowing down rotation (having the year longer) shortens your orbit, and that's what happens - friction, magnetism etc cause the planets to slow down and in the end they will all fall into Sun.
Mars temperature is so low not only because of distance but also due to very thin atmosphere. Proper composition of the atmosphere creating enough glasshouse effect could keep it at Earth's level (and a lot of gas responsible for glasshouse effect - carbon dioxide - is deposited on ice caps of Mars.) And if you add possiblity of former internal, geothermal heat sources, that would bring Mars to quite livable temperatures. Add water (looking for it now), oxygen (temperature+water+CO2+basic lifeforms->oxygen) and you have a planet bustling with life.
Still doesn't solve the problem. Browse several 1000's of packages in dselect? Depend on the limited search capablities of APT? There's still no mapping of functionality->name beyond basic "webservers", "productivity", "office" or such.
They are wonderful for reading. Better than best Color or any other Mono CRT. Better than LCD. Better than Plasma etc. More: Better than paper. After 3-4h of reading a dead tree book, your eyes are getting tired. I can read an e-book from such a monitor for 6-8h straight. Just for figures, you can get more for a 14" used green monitor, than for a 17", flat screen, color CRT one.
Censor Your Website For All Chineese Citizens TODAY! This way you remove the burden of blocking your website at Chineese national routers, allowing the government of China to use the money to build schools and hospitals instead!
Can it replace the broken rendering engine with Gecko too? Simple PNG transparency support, unbroken absolute positioning, this kind of stuff? Does it support popup blocking? Find-as-you-type? well...
Does "Autumn Wind" by Proletaryat, with total running tome of 00:00:20 or so cost the same $0.99 as Mike Oldfield's "Amarok" with running time 01:00:02 ? One is just a tiny plug inbetween two concert pieces. The other - a whole album composed of a single song.
Google has great most of the web covered. While obeying robots.txt and such, they can't index much more of meaningful content. So how did Yahoo almost triple the Google's goal? Well, as long as you're looking for obvious stuff with "easy hits", the results will be similar. But if you enter REALLY obscure stuff, for which Google shows 3-5 hits, Yahoo will show the same 3-5 hits and 15 others, which are all different variants of 404, pages pointed to through broken links. Simply put, 2/3 of Yahoo index are "404 not found" pages, and that's how it gets such huge numbers...
Heh, yes! They will play it, all of them, but EA doesn't give a shit if they play it or drop it in the paper shredder. What matters, is what percentage will pay for the game, and how many will just download it from P2P, and this greatly depends on the ratings:)
how exactly is this supposed to be a next gen title when there are no next gen systems out?
Just the same way as HalfLife was. It didn't require any special unique hardware. It was just a great, unique idea executed in a great, unique way. You really don't need any better hardware for a game to be "next gen". Just some talent, skill and dedication from the authors. Somehow I doubt a software mill like EA is capable of doing it anymore.
I suppose that the price/value ratio of military underwear with silver content is better than $100 hammers?:D But this may DEFINITELY be bad for POWs. So far the captors didn't find any value in there...
Okay, so the game will run, but with some (essential?) features missing. I can already see this in TES: Oblivion. In Morrowind you would drop an item at arbitrary location and it would remain there forever. You could kill a guy in the beginning of the game, and come back a month later, after becoming the Nerevarine, and he would still have the same common black pants and chitin dagger he had when you killed him (or that you placed on his corpse back then). The savegames quite rapidly grew in size as they contained more and more of the "changed" world. If an NPC fell off a platform, he would remain under that platform to the end. If you picked a gold coin from the table, it wouldn't reappear. And there were MILLIONS of such items. Now, likely, "disk" Oblivion players will observe the same behaviour. For "diskless" ones, non-essential dropped items will keep vanishing after a period of time, like in Diablo. Whoa, hurry up to that town and back, or the corpse vanishes and the loot is lost! Live in dream world like in GTA, where whatever you lose from your sight is gone forever...
Put a water outlet/inlet by each socket, and a central cooling/pumping station outside. Install water cooling in each computer in the house, and have them quiet, fast and cool:D
You cannot connect a stationary object with a rotating object without some sort of rotating joint.
No,no,no. They are pivoting TOGETHER with the rotors, so they are "stationary" respective to the rotors, no rotary joints needed! In other words, they are fixed parts OF the rotors, just located in the center of mass, so not putting any strain on the beams.
They approach at low cm/s speeds, often going down to high mm/s speeds near contact. Because if they exceed it, they are going to crash and damage the shuttle/station. A device that light could behave in way less cautious manner and allow for quite a bit of dynamic stress. You can get the same 1000 newtons at 2m/s for 500kg (pessimistic estimate of the weight of the chamber). Of course 2m/s could be quite deadly, but healthy 20cm/s docking speed sounds reasonable. Click, latch, pressurize. It's just 1 atmosphere pressure! You also maneuvre a small mass, not a huge shuttle, so say, get it aligned using a robotic arm, or a set of magnets. No need to employ maneuvre engines all the time. Once the docking is finished and airlock open, all the rest can be transferred even through common cables and valves.
Oh, so now we have *two* life support methods - one internal and one external - *and* one of them is powerful enough to keep a vacuum-emptied comparment filled! Now this is rich! The internal one, 15 mins in space, between rotor and airlock. Just passive thermal isolation, a small bottle with oxygen, for breathing, and basic power supply/battery for all the electronics. That's all. Maybe 5kg total. If a joint is leaking, it's cut off at the valves, so any vacuum-emptying leak simply is cut off. One thing that COULD endanger the cabin air is the main airlock, but it's never being opened except while docked to the station, so no problem here during docking to the rotor.
In short, you either need to have 8-hour supplies and all of the pumps, heaters, valves, tanks, electronics, etc to control them Yes.
You need air filter, pretty simple and light device. You need heating. Of course NASA makes them into multi-million-dollar systems, but essentially it's just a common heater like these from wal-mart. You need an urine container a.k.a. plastic bag. An air pump. Or just a fan strong enough. And a pressurized air container to resupply.
*and* a hatch complex enough to handle fluid transfers (which means multiple pipe dockings) Yes, but ONLY pipe docking plus strong physical handle (to "hang" on the rotor in 1g), no need for human exit there. Just a flexible pipe joint (socket), not a "dock" as such. Say, a small robotic arm to attach the chamber and connect the pipes.
*Then You're Talking About Pipes That Rotate*, which as we've both agreed, is very difficult, high maintenance, and failure prone. Yes, except while rotating, they are empty, so there's nothing to leak or cause damage. Stop, lock, seal, fill. When pressurised they don't rotate and are firmly connected. Difficult process of mating them gets extremely simplified (they are never disconnected) while failure-prone process of transfering materials and pressurising happens in conditions of "fixed joint".
1) It does not guarantee security, just lowers the risk. Go for OpenBSD... 2) Maintain "Sufficient" security while achieving "Maximum" performance is preferred over the opposite, especially that the performance never seems quite "sufficient" no matter what.
You still need the systems, and therein lies the cost, mass, and complexity. A system that is to last a month without resupply is vastly more complex than one to withstand 8h. Now we're back to rotating pressurized joints - in this case, pressurized with whatever was in the pipe. No, rotating with the rotors, no rotary joints, just not putting any centrifugal force on the chambers, thus not providing to the force dragging at the beams. They aren't "still", they just pivot in place, very little centrifugal force applied.
Mir-Shuttle docking module was over 6 tonnes. You're still talking about docking a supertanker to the harbour. I'm talking about docking a rowboat. risk of decompression from all of the new seals, joints, and valves Not all THAT many of them... Just "dock to the beam". Depressurizing it would just switch the chamber to internal life support, cutting off the outside. the risks of the additional/more complex critical life support systems, Why more complex? Way simpler ones! and the risks of all of the additional docking At worst, the chamber could just enter the airlock instead of docking to it, then open inside. Or even it could be DONE that way. Even an astronaut going through the airlock takes a long time, and goes through a complex process My bet is the process could be vastly simplified... Than that defeats your premise of having the station life support do the work, now doesn't it? No, only "material" transfer gets cut off (oxygen, etc). Data, power etc could still be transmitted, electrical rotary joints are common, simple and fault-proof. And even still, such a concept would require, at minimum, "docking" the pipes. No expensive mating problem. The joints remain mated all the time, you just make them airtight. Actually, most common ball bearings are airtight! Of course we don't quite know how they behave in space, so this would require research.
STEX malfunctioned after only 22 meters of deployment. What kind of stress? What mass attached?
Also, a 2-meter tall person standing up at the end of a ~20 meter line will get ~90% So lie down. Keep these in "horizontal position". It's for sleeping anyway. You wouldn't spend much time while standing up.
We don't know how much better for you sleep-only gravity would be - if it's any improvement at all - over no gravity. Certainly a little. You could spend some time on tasks not requiring much movement - communication, data checks, reading etc. there.
Furthermore, detached structures would need to have full life support, For 8h a time or so only. Some of it could be provided by pipes, to the axis. (the axis would more or less remain still)
toilet Only for "small business". The "big business" would require stopping it and possibly docking. Which shouldn't take more than 5-10 minutes anyway. We're not talking about a 100 ton shuttle. It's more of a big jumpsuit.
heating, oxygen, CO2 scrubbing, atmosphere sensors, communications, etc. Central facilities could be located in the axis. The chambers themselves would be self-sufficient for maybe half a hour or less. Possibly no need for CO2 scrubbing, heating managed by some isolation, just pour in oxygen. For CO2 poisoning you need the levels above norm for a prolonged period of time.
It'd be a huge mass, About a ton total.
complexity KISS. Make it light, remove most redundant stuff, supply what's needed from the core on the axis, through the beams.
risk A beam that can withstand 200kg of mass is not really a wonder of technology. Just to be sure, make it withstand a ton, exposed to space radiation, in 4 Kelvin, in vacuum, and still it's just a piece of junk you can get for $50 in your hardware store.
and cost penalty Cheaper than health care for grounded astronauts:)
What reaction mass are you referring to spinning in the other direction? Second rotor. Two rotors rotating in opposite directions, motor/generator connecting them together. The same way as dual-rotor helicopters.
Docking is not a simple procedure. Docking several hundreds tons, sure isn't. But this would be probably simpler than astronaut entering the airlock after a spacewalk.
Rotating pressurized connections are extremely difficult to make. They could be pressurized only when not rotating. Kind of airlock. But you're right, big, quickly rotating, pressurized joint would be pretty hard to build, and sealing/unsealing such one, even static, everytime you want to pressurize it, could be tricky.
In short, we need a lot more research, and the money isn't there. We need just some research, but yes, the money isn't there anyway.
I still don't see the problem. You need 1g acceleration in each end. First, make the tether WAY shorter. Like, 20 meters or so, not 200 meters or more, what they tried! It can even be a solid beam. Less mass lengthwise, more to spend on thickness and durability. Then just apply sufficiently fast rotation, and make the structures on the ends LIGHT! Maybe 100kg total each. Say, use them only for single-person sleeping chambers. 8h a day in full gravity. Four of them, combined into two rotors on a single common axis, so accelerating and decelerating them would be cheap (you regain energy from slowing them down, then spend it on accelerating rotors again.) Just stop the rotors, detach the chambers (which could double as tiny spaceships) and dock them to airlocks. Or make the beam just a thick enough pipe to climb back to the axis to the gravityless zone and into the station core. Of course chambers should either be used in pairs or unused ones be filled with ballast (say, water)
Some basic faulty assumptions: - The whole station has to rotate and have gravity. - High R, low Omega. - The rotation should never cease once started (because it's expensive)
Slashdot Mirror
yes, it's small, but it clearly indicates the direction of changes - the planets aren't going to stretch their orbits any. Sooner Sun's temperature could change, resulting in climate changes.
These are CARDINAL sins. DEADLY sins are a completely different family (bestiality, sodomy, incest, killing your brother/sister, assaulting your parents, possibly more I don't quite remember.) And yet there are sins against the comandments.
Sins against the 10 commandments come from Moses books. The cardinal 7 were added later. Deadly sins are supposedly non-redeemable, you go straight to hell for yiffing your mare, and no way to get around it.
Like these rectangular bricks sticking off the crest of the hill, upper-left of the rover's "wing"? Neat 90 degrees :)
Slowing down rotation (having the year longer) shortens your orbit, and that's what happens - friction, magnetism etc cause the planets to slow down and in the end they will all fall into Sun.
Mars temperature is so low not only because of distance but also due to very thin atmosphere. Proper composition of the atmosphere creating enough glasshouse effect could keep it at Earth's level (and a lot of gas responsible for glasshouse effect - carbon dioxide - is deposited on ice caps of Mars.) And if you add possiblity of former internal, geothermal heat sources, that would bring Mars to quite livable temperatures. Add water (looking for it now), oxygen (temperature+water+CO2+basic lifeforms->oxygen) and you have a planet bustling with life.
http://prefbar.mozdev.org/
Still doesn't solve the problem. Browse several 1000's of packages in dselect? Depend on the limited search capablities of APT? There's still no mapping of functionality->name beyond basic "webservers", "productivity", "office" or such.
They are wonderful for reading. Better than best Color or any other Mono CRT. Better than LCD. Better than Plasma etc. More: Better than paper. After 3-4h of reading a dead tree book, your eyes are getting tired. I can read an e-book from such a monitor for 6-8h straight.
Just for figures, you can get more for a 14" used green monitor, than for a 17", flat screen, color CRT one.
Censor Your Website For All Chineese Citizens TODAY!
This way you remove the burden of blocking your website at Chineese national routers, allowing the government of China to use the money to build schools and hospitals instead!
Can it replace the broken rendering engine with Gecko too? Simple PNG transparency support, unbroken absolute positioning, this kind of stuff?
Does it support popup blocking? Find-as-you-type?
well...
Does "Autumn Wind" by Proletaryat, with total running tome of 00:00:20 or so cost the same $0.99 as Mike Oldfield's "Amarok" with running time 01:00:02 ? One is just a tiny plug inbetween two concert pieces. The other - a whole album composed of a single song.
They are just as good at filtering off bots, as at stopping me from registering when I'm drunk.
Google has great most of the web covered. While obeying robots.txt and such, they can't index much more of meaningful content. So how did Yahoo almost triple the Google's goal? Well, as long as you're looking for obvious stuff with "easy hits", the results will be similar. But if you enter REALLY obscure stuff, for which Google shows 3-5 hits, Yahoo will show the same 3-5 hits and 15 others, which are all different variants of 404, pages pointed to through broken links. Simply put, 2/3 of Yahoo index are "404 not found" pages, and that's how it gets such huge numbers...
Heh, yes! They will play it, all of them, but EA doesn't give a shit if they play it or drop it in the paper shredder. What matters, is what percentage will pay for the game, and how many will just download it from P2P, and this greatly depends on the ratings :)
how exactly is this supposed to be a next gen title when there are no next gen systems out?
Just the same way as HalfLife was. It didn't require any special unique hardware. It was just a great, unique idea executed in a great, unique way. You really don't need any better hardware for a game to be "next gen". Just some talent, skill and dedication from the authors.
Somehow I doubt a software mill like EA is capable of doing it anymore.
I suppose that the price/value ratio of military underwear with silver content is better than $100 hammers? :D
But this may DEFINITELY be bad for POWs. So far the captors didn't find any value in there...
Okay, so the game will run, but with some (essential?) features missing. I can already see this in TES: Oblivion. In Morrowind you would drop an item at arbitrary location and it would remain there forever. You could kill a guy in the beginning of the game, and come back a month later, after becoming the Nerevarine, and he would still have the same common black pants and chitin dagger he had when you killed him (or that you placed on his corpse back then). The savegames quite rapidly grew in size as they contained more and more of the "changed" world. If an NPC fell off a platform, he would remain under that platform to the end. If you picked a gold coin from the table, it wouldn't reappear. And there were MILLIONS of such items.
Now, likely, "disk" Oblivion players will observe the same behaviour. For "diskless" ones, non-essential dropped items will keep vanishing after a period of time, like in Diablo. Whoa, hurry up to that town and back, or the corpse vanishes and the loot is lost! Live in dream world like in GTA, where whatever you lose from your sight is gone forever...
Put a water outlet/inlet by each socket, and a central cooling/pumping station outside. Install water cooling in each computer in the house, and have them quiet, fast and cool :D
You cannot connect a stationary object with a rotating object without some sort of rotating joint.
No,no,no. They are pivoting TOGETHER with the rotors, so they are "stationary" respective to the rotors, no rotary joints needed! In other words, they are fixed parts OF the rotors, just located in the center of mass, so not putting any strain on the beams.
They approach at low cm/s speeds, often going down to high mm/s speeds near contact.
Because if they exceed it, they are going to crash and damage the shuttle/station. A device that light could behave in way less cautious manner and allow for quite a bit of dynamic stress. You can get the same 1000 newtons at 2m/s for 500kg (pessimistic estimate of the weight of the chamber). Of course 2m/s could be quite deadly, but healthy 20cm/s docking speed sounds reasonable. Click, latch, pressurize. It's just 1 atmosphere pressure! You also maneuvre a small mass, not a huge shuttle, so say, get it aligned using a robotic arm, or a set of magnets. No need to employ maneuvre engines all the time. Once the docking is finished and airlock open, all the rest can be transferred even through common cables and valves.
Oh, so now we have *two* life support methods - one internal and one external - *and* one of them is powerful enough to keep a vacuum-emptied comparment filled! Now this is rich!
The internal one, 15 mins in space, between rotor and airlock. Just passive thermal isolation, a small bottle with oxygen, for breathing, and basic power supply/battery for all the electronics. That's all. Maybe 5kg total. If a joint is leaking, it's cut off at the valves, so any vacuum-emptying leak simply is cut off. One thing that COULD endanger the cabin air is the main airlock, but it's never being opened except while docked to the station, so no problem here during docking to the rotor.
In short, you either need to have 8-hour supplies and all of the pumps, heaters, valves, tanks, electronics, etc to control them
Yes.
You need air filter, pretty simple and light device. You need heating. Of course NASA makes them into multi-million-dollar systems, but essentially it's just a common heater like these from wal-mart. You need an urine container a.k.a. plastic bag. An air pump. Or just a fan strong enough. And a pressurized air container to resupply.
*and* a hatch complex enough to handle fluid transfers (which means multiple pipe dockings)
Yes, but ONLY pipe docking plus strong physical handle (to "hang" on the rotor in 1g), no need for human exit there. Just a flexible pipe joint (socket), not a "dock" as such. Say, a small robotic arm to attach the chamber and connect the pipes.
*Then You're Talking About Pipes That Rotate*, which as we've both agreed, is very difficult, high maintenance, and failure prone.
Yes, except while rotating, they are empty, so there's nothing to leak or cause damage. Stop, lock, seal, fill. When pressurised they don't rotate and are firmly connected. Difficult process of mating them gets extremely simplified (they are never disconnected) while failure-prone process of transfering materials and pressurising happens in conditions of "fixed joint".
1) It does not guarantee security, just lowers the risk. Go for OpenBSD...
2) Maintain "Sufficient" security while achieving "Maximum" performance is preferred over the opposite, especially that the performance never seems quite "sufficient" no matter what.
You still need the systems, and therein lies the cost, mass, and complexity.
A system that is to last a month without resupply is vastly more complex than one to withstand 8h.
Now we're back to rotating pressurized joints - in this case, pressurized with whatever was in the pipe.
No, rotating with the rotors, no rotary joints, just not putting any centrifugal force on the chambers, thus not providing to the force dragging at the beams. They aren't "still", they just pivot in place, very little centrifugal force applied.
Mir-Shuttle docking module was over 6 tonnes.
You're still talking about docking a supertanker to the harbour. I'm talking about docking a rowboat.
risk of decompression from all of the new seals, joints, and valves Not all THAT many of them... Just "dock to the beam". Depressurizing it would just switch the chamber to internal life support, cutting off the outside.
the risks of the additional/more complex critical life support systems,
Why more complex? Way simpler ones!
and the risks of all of the additional docking
At worst, the chamber could just enter the airlock instead of docking to it, then open inside. Or even it could be DONE that way.
Even an astronaut going through the airlock takes a long time, and goes through a complex process
My bet is the process could be vastly simplified...
Than that defeats your premise of having the station life support do the work, now doesn't it?
No, only "material" transfer gets cut off (oxygen, etc). Data, power etc could still be transmitted, electrical rotary joints are common, simple and fault-proof.
And even still, such a concept would require, at minimum, "docking" the pipes.
No expensive mating problem. The joints remain mated all the time, you just make them airtight. Actually, most common ball bearings are airtight! Of course we don't quite know how they behave in space, so this would require research.
You can always booby-trap the case.
Andy? Andrew Tannenbaum? I didn't know you read Slashdot. By the way, I thought Linus has already explained that matter to you!
(no, 20% efficiency/speed lost is NOT an acceptable loss)
STEX malfunctioned after only 22 meters of deployment.
:)
What kind of stress? What mass attached?
Also, a 2-meter tall person standing up at the end of a ~20 meter line will get ~90%
So lie down. Keep these in "horizontal position". It's for sleeping anyway. You wouldn't spend much time while standing up.
We don't know how much better for you sleep-only gravity would be - if it's any improvement at all - over no gravity.
Certainly a little. You could spend some time on tasks not requiring much movement - communication, data checks, reading etc. there.
Furthermore, detached structures would need to have full life support,
For 8h a time or so only. Some of it could be provided by pipes, to the axis. (the axis would more or less remain still)
toilet Only for "small business". The "big business" would require stopping it and possibly docking. Which shouldn't take more than 5-10 minutes anyway. We're not talking about a 100 ton shuttle. It's more of a big jumpsuit.
heating, oxygen, CO2 scrubbing, atmosphere sensors, communications, etc. Central facilities could be located in the axis. The chambers themselves would be self-sufficient for maybe half a hour or less. Possibly no need for CO2 scrubbing, heating managed by some isolation, just pour in oxygen. For CO2 poisoning you need the levels above norm for a prolonged period of time.
It'd be a huge mass,
About a ton total.
complexity
KISS. Make it light, remove most redundant stuff, supply what's needed from the core on the axis, through the beams.
risk
A beam that can withstand 200kg of mass is not really a wonder of technology. Just to be sure, make it withstand a ton, exposed to space radiation, in 4 Kelvin, in vacuum, and still it's just a piece of junk you can get for $50 in your hardware store.
and cost penalty
Cheaper than health care for grounded astronauts
What reaction mass are you referring to spinning in the other direction?
Second rotor. Two rotors rotating in opposite directions, motor/generator connecting them together. The same way as dual-rotor helicopters.
Docking is not a simple procedure.
Docking several hundreds tons, sure isn't. But this would be probably simpler than astronaut entering the airlock after a spacewalk.
Rotating pressurized connections are extremely difficult to make.
They could be pressurized only when not rotating. Kind of airlock. But you're right, big, quickly rotating, pressurized joint would be pretty hard to build, and sealing/unsealing such one, even static, everytime you want to pressurize it, could be tricky.
In short, we need a lot more research, and the money isn't there.
We need just some research, but yes, the money isn't there anyway.
> cheap AD&D insurance
So they roll dice to see if the damage gets reduced by half?
I still don't see the problem.
You need 1g acceleration in each end.
First, make the tether WAY shorter. Like, 20 meters or so, not 200 meters or more, what they tried! It can even be a solid beam. Less mass lengthwise, more to spend on thickness and durability. Then just apply sufficiently fast rotation, and make the structures on the ends LIGHT! Maybe 100kg total each.
Say, use them only for single-person sleeping chambers. 8h a day in full gravity. Four of them, combined into two rotors on a single common axis, so accelerating and decelerating them would be cheap (you regain energy from slowing them down, then spend it on accelerating rotors again.) Just stop the rotors, detach the chambers (which could double as tiny spaceships) and dock them to airlocks. Or make the beam just a thick enough pipe to climb back to the axis to the gravityless zone and into the station core. Of course chambers should either be used in pairs or unused ones be filled with ballast (say, water)
Some basic faulty assumptions:
- The whole station has to rotate and have gravity.
- High R, low Omega.
- The rotation should never cease once started (because it's expensive)
Remove those and it suddenly becomes way easier.