'With enough force, cheese can go through 8 miles of titanium'
[ support:100% : certainty:10 ] · [2 replies] ·
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support 100% · interesting..moderated to 100%; argued down by 0%
by metric on 2006-06-19 02:21:24Assuming a 1 gram piece of cheese. At the speed of light, the kinetic energy, in joules, of the cheese would be it's velocity squared over two. Let us also assume the 1 gram of cheese is traveling at the speed of light (299792458 m/s). That would mean that this piece of cheese has about 44,937 TJ (terajoules) of energy on impact. For comparison, Little Boy released about 63 terajoules on Hiroshima. For every gram of cheese we add, this figure doubles.... it's not hard to imagine a piece of cheese capable of disintegrating 8 miles of titanium... discounting the question of what the actual mass of the titanium is. -
oppose 0% · Re: interesting..moderated to 0%; argued down by 0%
by anonymous on 2008-02-11 06:23:33To prevent the cheese from disintegrating, it would have to be accelerated very gradually. Unfortunately, cheese is not a topic of great interest in materials science, so its strength would have to be estimated from other materials. I suggest soft plastic or rubber. Regardless, cheese would certainly not survive the atmosphere any better than 1-gram pieces of rock known as meteorites or shooting stars, so the collision would certainly have to occur in space. But since even space is not a perfect void, containing 1 hydrogen molecule every few miles, the required gradual acceleration of cheese could not take place over a great enough distance to prevent breaking apart directly from acceleration, yet small enough to rule out annihilation by collision with a hydrogen molecule.
summary
title: 'Re: interesting..'
text: 'To prevent the cheese from disintegrating, it would have to be accelerated very gradually. Unfortunately, cheese is not a topic of great interest in materials science, so its strength would have to be estimated from other materials. I suggest soft plastic or rubber. Regardless, cheese would certainly not survive the atmosphere any better than 1-gram pieces of rock known as meteorites or shooting stars, so the collision would certainly have to occur in space. But since even space is not a perfect void, containing 1 hydrogen molecule every few miles, the required gradual acceleration of cheese could not take place over a great enough distance to prevent breaking apart directly from acceleration, yet small enough to rule out annihilation by collision with a hydrogen molecule.'
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date: 2008-02-11 06:23:33
submitter: anonymous
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