The force of a suction cup is calculated using F=AP.
15
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
The bark of an older redwood tree is fireproof.
65
Aluminum used to be more valuable than gold!
84
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
The only letter not appearing on the Periodic Table is the letter "J".
180
Sound travels fifteen times faster through steel than through air.
134