Sunday, September 11, 2005

hole digging

When I was a kid, my friends and I used to spend hours in the sandbox digging "a hole to China." I always wondered how that would work, when you poked your head out would you be hanging down out of the hole or up? Where would up switch to down, etc?

Well, lucky for us, now we can find out EXACTLY where we would pop out if we dug a hole through the center of the earth. (Link)

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