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...its already seemed to work for the last 1000 or so years. they should be able to get some sort of reward for what they've done to advance medicine in western culture. |
that it has is good, but whats the garuantee it will be around in another 1000? and why not now, everywhere. so it doesnt get lost, so it can be improved, so we can learn more.
they dont need a reward. some of those tribes are disgusted at you if they give you a gift as a reciprocation for a gift they give you. they understand this to be your way of saying "i don't want to join you, so here is a gift to cancel out your gesture". when they give you a gift in the first place that is there way of saying, here, come join us, you are one of us now. they are inducting you into access of the communal property. they do this and often times the westerners will feel a bit guilty about getting a free weaved basket from these people who obviously spent a long time making it, so they will try to give them something in return. of course they should be helped out, but not necessarily "rewarded", its not like its more important to do that than get the information they have available for more and more people. a "reward" could help to get new info out of them, but you have to be careful apply our cultural standards to them. |
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Rob, this assumes 'life as we know it" - could be a silicon based lifeform. Could be some sort we can't even imagine. I don't think we can really conceive higher dimensions. However, the impliction to me of what you state is 1. its an hyper statistical improbably random situation or 2. it is a carefully controlled situation. |
of coruse this assumes life as "we" know it. How are we supposed to find life we do not know to exist?
(yet?) but you are right. the implication of this is indded either that it is such a random luck of the draw as to preclude anything similar eer happening again, OR that life as it has developed on Earth is the result of sentient involvement of some sort, whether that happened when we went from single cells to multi-cellular organisms, or when humans arose is all guesses. |
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that's exactly what i was thinking, but she wasn't as creative :(
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This is why I like you, Rob. |
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And yet against all the odds, here we are...so... It's happened at least once. edit: I didnt read the LAST paragraph, but it kind of changes your post, which changes my resonse. I could dig that... |
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I like Bill Watterson's subtle parody of political correctness in that strip. |
were?
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I'm thinking in terms of some of the organisms that hang out in the deep sea vents that are (if I remember correctly) sulfide based - they look like crabs but are really collection of weird microorganisms - creepy - |
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If the speed of light is the upper limit of speed for anything to travel at, as it seem to be, it doesn't really matter how technologically advanced the civilization is. They can build fancy machines but breaking the laws of the physics is a whole another matter. It's very possible that the shortest route to the next object in space is a straight line, and there's no way around it. And even the speed of light is quite slow, if you compare it to the cosmic distances. If that's the case and the nearest advanced civilization is, say, 10 000 light years away (which would be quite near in cosmological terms) we'd have no reasonable way of communicating with them or even finding them out, as we'd only see in each other's past. |
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their ecosystem is sulfide based. the bacteria "eat" the sulfides, using them to get energy instead of sunlight, those bacteria are then eaten by worms, fish, crabs, and so on. the animals at the sea vents are all the same life as we, DNA, water based life. Until we actually find some organism that eats, grows, and reproduces without water as a means for the chemical reactions that form "life", then it is pointless to talk about life as we do not know it. (at least when it comes to postulating the existence of life on a galacitic, universal level) it may be that there are lifeforms that are pure energy, or that are indeed crystalline. Howveer, it is also just as likely that everything is alive in some sense (hylozoism) , since life is energy and change is the only constant in the universe. |
I don't believe that the speed of light is the max possible speed.
I've never read or heard any reasonnable arguments in favor of that scientific law. Besides, if it's true, e=mc^2 makes no sense. You have to choose one or the other. |
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that is very true. In our galaxy, the furthest stars from us are about 100,000 light years away. each light year is roughly ten TRILLION kilometers. sick distance. I have always maintained that it is equally plausible that the "aliens" and "UFO's" people see and have sen through history are humans from the far far future travelng back in timeto harvest genetic material needed in the distant future. |
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this makes no sense. light/energy is massless, and massless things can go the fastest. The speed of any massive object, as it increases, also increases the mass of the object. This has been shown conclusively in experiment after experiment. that is why the speed of light is seen as a maximum, for thereis nothing with less mass than energy which has NO MASS. |
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As the combustible is thrown away, the speed of the rocket increases. So what happen when it reaches the speed of light? The matter can't be thrown away from the ship? Or maybe it can, but it has no effect on the speed of the ship? |
the rocket will never reach lightspeed, or even close.
the faster something goes the more massive it becomes. the more massive it becomes the harder it is to increase the velocity of that massive object ever higher. way before reaching light speed, the energy needed to accelerate the object will be more than is available by any means. it would esswentially take infinite energy to get an object with any mass (even a proton) to go light speed. hell, you have seen how much energy is used to just send a beam of protons in a particle accellerator at 3/4 the speed of light! Enough to power small cities! and that is just the mass of a few particles! |
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You didn't die, did you? |
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There are plenty of tv shows on various science channels that will explain this for you. Or books. Brief History Of Time. The basic concepts really aren't that hard and do make sense once you understand them. And e=m^cc is the explanation for it. |
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How does this gain of mass works? If a big ball of gold is sent orbiting around earth, will it grow bigger and bigger? |
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The name of the theory is 'relativity'. Eh. No, I can't explain it. Go watch a tv show. I just bought this book 'Why does e=m^cc? (and why should you care?)' but haven't read it yet. I'm guessing it will answer your questions. |
Here, try this:
http://en.wikipedia.org/wiki/Theory_of_relativity |
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it needs to be at "relativistic" speeds, meaning speeds close to the speed of light. light/energy travels at around 186,000 miles a SECOND. That is haul-ass. and that is as measured in a perfect vaccuum, such as in deep space. on earth, light travels slower due to the atmosphere or as uit enters water. these things bend light, slowing it down, just like very strong gravity from stars/galaxies/black holes can as well. |
Hey, thank you, I know about Einstein, and I've read some of his work, but I can't discuss with him cause he's dead. (@akprodr)
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relativity is very complex. I am not expert on it, but it has been proven repeatedly, ad if we ever managwe to detect gravity waves, it will be proved once again.
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rob, confirm deny or extrapolate from this stuff i heard - isn't it true that newtonian physics is a crock and practically all physics are wrong based on what they know now, but the top dudes don't want to rewrite the rules cos they are too comfortable?
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Newtonian physics is practically useful but it is theoretically false as it doesn't recognize the speed limit of light. It isn't so much that the 'top dudes' are 'too comfortable' as much as the caveat of relativity is negligible when operating at terrestrial speeds.
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Newtonian physics are dead-on and totally still used when it comes to objects that fit our sphere of size and mass. newtonian physics nearly perfectly can explain most of the Universe visible to us. Where it fails, and this is where physics find themost interesting projects to work on, is when we deal on a super scale, of either super massive (black holes, galactic centers, etc) or the super small (the "quantum" world) Newton's laws are always valid when it comes to our scale. |
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exactly. Newton was such a fucking genius. imagine what he culd have done with the data we have NOW! |
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Genius mathematician, though, of course. |
that is true, but for all his genius he was still a man of his time, a nd in his time theology and mathematics shared an equally lofty position.
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some would argue mathematics is God |
Or the infinity of infinities.
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it may be the language of "god" I guess... |
Pythagoras had a fun time with it, just don't mention irrational numbers.
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Not true. They did an experiment using clocks: one ground based and one on a commericial style jet (prob 707 or something). With very sensitive clocks, they could measure that time went slower for the jet or vise versa. With an equally sensitive mass measuring device, they probably could have measured that too. |
die, earthmen; die.
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the faster you walk toward the spin of the galactic arm in regards to the fabric of space-time, the slower 'time' moves. |
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horseshit. tell that to the bow shock. |
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