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Henryn

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Henryn

Atomic mushroom

It's something I hope the world never sees for real, but what causes the mushroom cloud after an nuclear explosion?
14:47 Fri 09th Feb 20013 answers, last by kermit17 19:07 Mon 10th Sep 2001
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Henryn

Why do lightbulbs 'hum' before breaking?

I always know when a light bulb is about to go because it starts humming, but why does it do this?
14:35 Fri 09th Feb 20011 answer, last by Isaacr 11:34 Wed 14th Feb 2001
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Henryn

Rainbows

Why is a rainbow curved?
13:04 Fri 02nd Feb 20011 answer, last by Isaacr 17:24 Thu 08th Feb 2001

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