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kjavds

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mTaz

What colour is an object in the dark?

I believe that the colour of an object is determined by the light it absorbs. i.e. a white object absorbs maximum light and thus appears white. A black object absorbs no light and therefore appears...
23:52 Sat 21st Sep 200217 answers, last by lord_morgan 00:33 Mon 01st Sep 2003
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gregaustin

the speed of light - an old chestnut

If velocity is measured as distance over time, and we have 2 spaceships heading towards each other at an entirely feasible speed of ,say, 60 % of the speed of light, is not their closing speed in...
19:25 Thu 07th Feb 20025 answers, last by kjavds 15:51 Wed 13th Nov 2002

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