Donate SIGN UP

Henryn

21 to 21 of 21

First Previous 1 2

Avatar Image
Henryn

Atomic mushroom

It's something I hope the world never sees for real, but what causes the mushroom cloud after an nuclear explosion?
13:47 Fri 09th Feb 20013 answers, last by kermit17 18:07 Mon 10th Sep 2001
Avatar Image
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?
13:35 Fri 09th Feb 20011 answer, last by Isaacr 10:34 Wed 14th Feb 2001
Avatar Image
Henryn

Rainbows

Why is a rainbow curved?
12:04 Fri 02nd Feb 20011 answer, last by Isaacr 16:24 Thu 08th Feb 2001

21 to 21 of 21

First Previous 1 2