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Old 05-03-2010, 03:23 AM   #31
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WRT the aliens thing, of course Fermi's Paradox has had a fair run over the years (ie. if they were out there, we'd hear from them)... but I do wonder, really.

Just to take an example, the far rim of our own galaxy is what... I can't be arsed looking up Wikipedia, but it is thousands of light-years. What makes us think we would hear?

I think the striking absence of news from our quarter of the galaxy does tend to slant the ledger toward 'probably just us here'. But with the proviso that 'here' represents a relatively small sample.

Modern televised 'Doctor Who' irritates the bejesus out of me in this respect, what with their cuddly alien-race-of-the-week invading London (I was going to say 'earth' but really, it's London they're after) on a routine basis.
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Old 05-03-2010, 03:37 AM   #32
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^what about Kang and Kodos?


my apologies to JT and Wanderer, it's not really news at all, it was just in the paper this morning and i found it very interesting and hoped it would spark a cool discussion.
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Old 05-03-2010, 06:15 AM   #33
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I watched the Hitchhiker's Guid to the Galaxy tv series over 25 years ago now, and I'm still waiting for Ford Prefect to rescue me and take me the Restaurant at the End of the Universe so we can get smashed on Pangalactic GargleBusters
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Old 05-03-2010, 07:34 AM   #34
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^what about Kang and Kodos?


my apologies to JT and Wanderer, it's not really news at all, it was just in the paper this morning and i found it very interesting and hoped it would spark a cool discussion.
Apologise for what? It's a cool topic.
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Old 05-03-2010, 08:23 AM   #35
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The best argument I've heard about the existence of aliens is the pure numbers thing, but bearing in mind that humans and Earth might be on the older-side as far as life in the universe goes. The universe is roughly 13 billion years old, Earth not quite 5 billion. Humans haven't been around that long, but sadly, we may be some of the universe's oldest residents which is why we haven't heard from the other youngsters yet. They're still evolving in their Mica sandwiches just on the shores of their oceans.

(I should phrase it as "this universe" or "our universe" because I strongly believe there are an infinite number of universes out there. Listen to Brian Greene talk about "the Multi-verse" and you'll never think the same way about the universe again.")

WNYC - Radiolab � The (Multi) Universe(s)
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Old 05-03-2010, 08:33 AM   #36
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Time travel...meh.
Anyone who has been on a long trip or away from home for college knows that returning to the future is annoying at best, alienating and disorienting at worst. I want to get on a lightspeed craft to go out and explore the galaxy. My traveling into the future only would matter to the family I would leave behind. I wouldn't return home.

Traveling back in time?
I don't believe it's possible (I'll take Entropy for $1000 Alex.). It's so relative that it only would matter to the single person who would do it. No one else would notice any change in the future because only that one person would have the reference to make sense of it. It could be happening, but none of us could recognize it.
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Old 05-03-2010, 08:39 AM   #37
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WRT the aliens thing, of course Fermi's Paradox has had a fair run over the years (ie. if they were out there, we'd hear from them)
I dont think this is a fair argument. How many species are there on Earth? If you stayed in your house and waited for one of them to contact you, you'd be waiting a long time. It seems unlikely that an alien race would be intelligent in the same way that we are. Not to say they'd be unintelligent, just that they'd evolve a different kind of intelligence and not necessarily one that we would in any way be able to meaningfully interact with
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Old 05-03-2010, 08:40 AM   #38
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my apologies to JT and Wanderer, it's not really news at all, it was just in the paper this morning and i found it very interesting and hoped it would spark a cool discussion.
And ya, dont be silly. Cool topic indeed
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Old 05-03-2010, 08:51 AM   #39
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dont be silly.
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Old 05-03-2010, 09:17 AM   #40
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I was watching Avatar this weekend and it struck me how likely it would be to find a planet in the near future where creatures like those on Pandora existed. Not the humanoids, but the six-legged horses, flying thingies and the rhinos on crack. Could you imagine what kind of images the probe would send back?
C'mon, Steve Jobs, make iProbe happen.
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Old 05-03-2010, 02:46 PM   #41
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I was watching Avatar this weekend and it struck me how likely it would be to find a planet in the near future where creatures like those on Pandora existed. Not the humanoids, but the six-legged horses, flying thingies and the rhinos on crack.
Actually the six-legged animals, were one of the few disappointments in Avatar.

The lemurs or monkeys had 6 limbs too. So the NaVi should have had two small nubs adjacent to their rib cages where these 2 unneeded limbs once were. (or the monkeys/ lemurs should have only had 4 limbs.)
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Old 05-03-2010, 02:53 PM   #42
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The Na'vi were created by Eywa. They did not evolve from the lemurs.
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Old 05-03-2010, 03:00 PM   #43
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Yes, but Eywa and nature are in harmony.
And six limbed creature's locomotion would not be patterned after 4 limbed locomation as depicted in this story.
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Old 05-03-2010, 04:12 PM   #44
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Actually the six-legged animals, were one of the few disappointments in Avatar.

The lemurs or monkeys had 6 limbs too. So the NaVi should have had two small nubs adjacent to their rib cages where these 2 unneeded limbs once were. (or the monkeys/ lemurs should have only had 4 limbs.)
Not if enough time had passed. Maybe they are much more distant than we are to chimps
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Old 05-03-2010, 04:22 PM   #45
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Started off with a nice little idea about grannies travelling forward through time, but now it's got silly.
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