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Revbear | 20:56 Fri 13th Jan 2006 | Science
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4 sided solid shape
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tetrahedron or triangular pyramid


Both


or either

Shape = yoghurt
4 sided = multipack ?
triangular-based pyramid = tetrahedron = PG Tips� ?


Also the methane molecule and the unit cell for diamond are both (amongst others) tetragonal, with a bond angle of approximately 109�.

brachiopod, I've often wondered what sort of recreational substance you imbibe to elevate your thinking to the Cosmic Sublime Number Nine. It now becomes clear. Methane, yoghurt and PG Tips� are the essential ingredients. Just boiled up at 109� and hey presto! "My Name's Bond, Tetragonal Bond!"
Hippy, I have absolutely no bloody idea what the hell I was on about - probably as a result of overindulgence of the recreational substance known as Scrumpy Jack.

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