> As you approach the speed of light the mass of whatever you are
> driving approaches infinity which means that the amount of energy
> necessary to drive said mass also approaches infinity

So the mass of a photon is .......

And yet .......

Does a photon accelerate ? What gives it energy ? What is energy ?

The very-subatomic fascinates me

Two documentaries sure to impress are "How Small Is The Universe"
and "How Big Is The Universe".

Google for on-line video, eg

http://www.dailymotion.com/video/x10xx5o_how-small-is-the-universe_tech

http://www.dailymotion.com/video/x22qcqz_bbc-horizon-how-big-is-the-univers=
e_news

Exploring as deeply as we can go, but it's still not far enough to see
what "empty space" is made of

And pondering if there could be an infinity of universes

The boundaries between reality (as we can comprehend it) and
mathematical concepts become very strange and blurry

Joe=20



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