The bark of an older redwood tree is fireproof.
65
The inventor of the Super Soaker squirt gun was a NASA Scientist who also helped develop the Stealth Bomber and the Galileo mission to Jupiter.
7
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Sound travels fifteen times faster through steel than through air.
134
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116