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15 minutes ago, Nebraska said:

rich branson will be making "our" dream a reality. our meaning his and a reality meaning it won't affect anyone else 

 

Can you imagine the insurance policy he had to take out?

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19 minutes ago, Rubin Farr said:

Can you imagine the insurance policy he had to take out?

whatever the amount, it's worth making our dreams a reality.

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                                                              kinda like a nesting doll

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Some good stuff by Lawrence Krauss on big cosmology, starts with a lot of familiar info but it gets pretty revealing about the theories behind spontaneous creation of a universe from nothing. I had a few real a-ha moments. One thing that surprised me is that he seems convinced that the universe is closed but just so big that it appears flat to us, a thought I've often had myself, and he actually explains the physics behind it. 

There's some overlap in this talk but it has a lot more on gravitational waves, fundamental forces at the big bang and inflation theory. 

 

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