Tag Archives: Speed of light

I would draw a similar graph for FTL and knowledge of physics

Click through for full sized version and the red button caption. via Saturday Morning Breakfast Cereal. Sometimes, learning science means discovering the constraints reality puts on us, and that part isn’t always fun.

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The size of the observable universe is complicated.

The radius of the observable universe is often stated to be 46 billion light years.  From a certain point of view, this is true, but I think it’s a bit of a misleading statement.  Occasionally you also see people say that … Continue reading

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When Will We Build the Starship Enterprise? | Seth Shostak

What if we could send humans anywhere at the speed of light, and at a rock-bottom price? That’s eminently feasible if we send the information and not the protoplasm. No crew, just code. Consider: The human genome consists of about … Continue reading

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Why FTL travel is unlikely, at least in the foreseeable future

I’m a big fan of Star Wars, Star Trek, and the space opera genre.  The future I would most hope for the human race would be for us to spread out among the stars and become an interstellar species.  Now, … Continue reading

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