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How does a rock skip on water?

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kermit911 | 16:45 Tue 07th Feb 2006 | Science
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How does a rock skip on water when you through it?
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Avatar Image andy-hughes
The surface of water is made up of a 'skin' which is easily broken, and reformed to admit objects, but which can be 'skimmed' with a light flat stone if the angle is shallow enoug. The rock 'bounces off' the skin of the water, until it looses momentum, then its weight will puncture the water skin and it will sink.
16:49 Tue 07th Feb 2006
Avatar Image CT
Apt timing. My latest copy of Physics World has an article on this. Here's the link. http://physicsweb.org/articles/world/19/2/6/1
There is some maths involved but they have tried to make it so that you don't need an in depth knowledge of maths or physics to understand it.
18:25 Tue 07th Feb 2006
Avatar Image xrayspecs
Physics world...?? didn't they review that particular publication on "Have I got news for you" ?
19:05 Wed 08th Feb 2006
Avatar Image fo3nix
xrayspecs: I doubt it. It's a very well-established and respected magazine from the IOP. Not some bizzare weird publication.
20:04 Wed 08th Feb 2006
Avatar Image markja
i'm sure if some one told them (have i got news ) about such a publication they would consider it. there is humour everywere, even such an austure magazine.
00:47 Thu 09th Feb 2006
Avatar Image xrayspecs
Sorry fo3nix, im sure it's a genuine publication. I only joke about things like this because I have no aptitude whatsoever for academic study - so my wife, who is a scientist, keeps reminding me.
11:29 Thu 09th Feb 2006

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