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Old 08-11-2011, 03:57 PM   #181
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Wait, so what makes them robots? Sounded like its just a bunch of metal filings being manipulated by a magnet.
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Old 08-11-2011, 04:02 PM   #182
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Technically, it constitutes a robot, but it is a stretch
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Old 08-12-2011, 07:04 AM   #183
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Old 08-12-2011, 01:15 PM   #184
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http://www.bbc.co.uk/news/science-environment-14476411
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Old 08-13-2011, 06:05 PM   #185
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Old 08-15-2011, 09:46 AM   #186
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Shooting star as seen from ISS
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Old 08-15-2011, 12:19 PM   #187
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Your image link is broken, but i found another photo.

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Old 08-15-2011, 12:48 PM   #188
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anyone else notice how crazy bright the moon has been the last 3-4 days? I have never seen it so bright here before this weekend.
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Old 08-17-2011, 10:57 AM   #189
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If you really think about this, you'll either laugh or end yourself once you realize how insignificant our lives really are.
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Old 08-17-2011, 11:15 AM   #190
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If you really think about this, you'll either laugh or end yourself once you realize how insignificant our lives really are.
I always like showing this video....has the same screencap as your post.

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Old 08-17-2011, 11:31 AM   #191
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If you really think about this, you'll either laugh or end yourself once you realize how insignificant our lives really are.
Size is so interesting. It makes me wonder if there is some really tiny alien civilization or really large civilization out there. We always assume whatever else is out there is of a similar size when we could really be way off.

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Old 08-17-2011, 11:55 AM   #192
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Old 08-17-2011, 12:01 PM   #193
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Size is so interesting. It makes me wonder if there is some really tiny alien civilization or really large civilization out there. We always assume whatever else is out there is of a similar size when we could really be way off.
Bigger planet = more gravity, which leads to smaller people, or regular sized people that are ridiculously strong. Our size is a function of gravity and the energy required to keep our bodies going. I like to think that a more advanced breed of humanoid would be smaller; do we really need a body this big? At a certain point in evolution the brain takes precedence. When you don't have to fight or kill for food then muscles are a useless waste of energy.

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Pale Blue Dot should be required reading for every college freshman in the world. If people really took it to heart they wouldn't take themselves so seriously.
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Old 08-17-2011, 12:09 PM   #194
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Bigger planet = more gravity, which leads to smaller people, or regular sized people that are ridiculously strong. Our size is a function of gravity and the energy required to keep our bodies going. I like to think that a more advanced breed of humanoid would be smaller; do we really need a body this big? At a certain point in evolution the brain takes precedence. When you don't have to fight or kill for food then muscles are a useless waste of energy.


Pale Blue Dot should be required reading for every college freshman in the world. If people really took it to heart they wouldn't take themselves so seriously.
I'm not following. If gravity plays a part in the size of people then why are their animals of different sizes everywhere? Couldn't there be dinosaur sized humanoids on another planet with similar gravitational force? Or different for that matter.
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Old 08-17-2011, 12:17 PM   #195
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I say that because when astronauts go into microgravity they get a little taller due to their bodies stretching out to their 'full length' if you will; it's pure speculation, I should have said that initially. It makes sense in my head that an animal is only as large as it needs to be in order to survive, which is why we have big and small animals. And IMO it also stands to reason that if we were to grow up with a larger gravitational acceleration then we wouldn't be as large as we are now. There would still be variety, but the gradient would be shifted toward the smaller end. If we were the same size, we would be incredibly strong by earth standards. On the other end of the spectrum, if we grew up in microgravity, we might be taller, but we would definitely be weaker. ...just in typing this I think I've talked myself out of the whole height thing and now I'm starting to think strength is the only thing dependent upon the strength of gravity. I do know that size and energy requirements are related though.
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Old 08-17-2011, 12:24 PM   #196
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I say that because when astronauts go into microgravity they get a little taller due to their bodies stretching out to their 'full length' if you will; it's pure speculation, I should have said that initially. It makes sense in my head that an animal is only as large as it needs to be in order to survive, which is why we have big and small animals. And IMO it also stands to reason that if we were to grow up with a larger gravitational acceleration then we wouldn't be as large as we are now. There would still be variety, but the gradient would be shifted toward the smaller end. If we were the same size, we would be incredibly strong by earth standards. On the other end of the spectrum, if we grew up in microgravity, we might be taller, but we would definitely be weaker. ...just in typing this I think I've talked myself out of the whole height thing and now I'm starting to think strength is the only thing dependent upon the strength of gravity. I do know that size and energy requirements are related though.
lol thanks for the info. I really really really wish dinosaurs were still around btw.
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Old 08-17-2011, 12:31 PM   #197
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lol thanks for the info. I really really really wish dinosaurs were still around btw.
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Old 08-17-2011, 12:38 PM   #198
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I say that because when astronauts go into microgravity they get a little taller due to their bodies stretching out to their 'full length' if you will; it's pure speculation, I should have said that initially. It makes sense in my head that an animal is only as large as it needs to be in order to survive, which is why we have big and small animals. And IMO it also stands to reason that if we were to grow up with a larger gravitational acceleration then we wouldn't be as large as we are now. There would still be variety, but the gradient would be shifted toward the smaller end. If we were the same size, we would be incredibly strong by earth standards. On the other end of the spectrum, if we grew up in microgravity, we might be taller, but we would definitely be weaker. ...just in typing this I think I've talked myself out of the whole height thing and now I'm starting to think strength is the only thing dependent upon the strength of gravity. I do know that size and energy requirements are related though.
I think your initial thoughts are correct.

http://io9.com/5784971/how-to-create...lien-life-form

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So for example, Bullock says you should consider the gravity on your alien world: A high-gravity world will produce short, squat creatures, while a small moon will produce tall thin ones. And an Earth-like world is unlikely to produce life forms much larger than the Pentagon, says Shostak.
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Old 08-17-2011, 12:47 PM   #199
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I think your initial thoughts are correct.

http://io9.com/5784971/how-to-create...lien-life-form
pretty interesting
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Old 08-17-2011, 12:49 PM   #200
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lol thanks for the info. I really really really wish dinosaurs were still around btw.
Me too man, me too. Large birds and alligators are the closest things we have.
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I think your initial thoughts are correct.

http://io9.com/5784971/how-to-create...lien-life-form
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