Your Questions About String Theory Book

Ken asks…



Recommendation for a book on String Theory, quantam, new theories about the Universe and time/space?
I read Stephen Hawking a few years ago and a couple of others. I am looking to refresh my knowledge of the Universe and it's theories. I keep seeing a book called "The Elegant Universe" in the store. I can't handle anything too thick and stressful, light on the science jargon. I wanted a new book- something released within the past 3 years. I read today that

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Your Questions About Time Travel Possible

Mary asks…



Is time travel possible and is it compatible with the grandfather paradox?
If time travel is possible, then could I go back in time and stop my grandparents having children?
I think i have actually asked two questions... so a simple yes or no will not suffice...






Art Bell fan answers:
To our present knowledge of the laws of physics, time travel is actually possible (in theory). However, if it is "possible" does not mean we know how to do it.

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Your Questions About UFOs

Carol asks…



!!!!!!! UFO !!!!!!!
How many of you belive in UFO's
How many of you have seen a UFO






Art Bell fan answers:
I have seen 6 UFOs, some of which I had reported to www.hbccufo.com
one was a green sphere, saw it twice in two months a few years ago. The sphere moved at a tremendous velocity, faster than any aircraft.

One was a boomerang shaped craft which zipped across the sky, north to south trajectory.

Another was more recent, about 2 weeks ago

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