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SkyProdigy

A Hole through the earth

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heheh

it doesnt have to go right through the middle, it can be a hole on the side lol

the thought of falling through the earth to the other side would be pretty neat..



There is a theory put forward that an arc-shaped train tunnel through the Earth from one major city to another would allow gravity to do the lion's share of the work, taking advantage of the pendulum effect by descending in the tunnel in a long curve, and only applying power when the other end of the arc is reached.

Making such a tunnel would be insanely expensive and dangerous, but it would cost almost nothing to operate.

Evacuate the air from the tunnel and there would be little or no drag to slow the vehicle down. Incredible speeds could be reached.

All theory, of course. B|

mh
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"The mouse does not know life until it is in the mouth of the cat."

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On a related note, if you're looking to make such a tunnel, you may be interested in the Wiki's map of antipodes (just to see if there's land or water on the exact opposite side of the earth from you):

http://en.wikipedia.org/wiki/Antipodes



That's wicked! According to map, that's almost where Australia ended up after Australia Day, 2002

If only we'd known and someone had been sober enough to operate the drill... :ph34r:

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