This concept and what would happen if a tunnel would be dug through the earth and elephant dropped in was one of the questions in a children's book of puzzles I got in first grade (book published in...'70-something I believe).
Any any case, I love that first guy that talks in the video. Whenever he's on the show (and he's been in many History channel shows dealing with space and physics), he's ALWAYS smiling. Now there's a person who loves what he does.
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Maturity is knowing you were an idiot in the past. Wisdom is knowing that you'll be an idiot in the future. Common sense is knowing that you should try not to be an idiot now. - J. Jacques
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