In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16
The average temperature at 40,000 feet above sea level is -60 F.
56
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
One 75-watt bulb gives more light than three 25-watt bulbs.
57
The sun is 330,330 times larger than the earth.
75
A cesium atom in an atomic clock beats over nine billion times a second.
43
A ball of glass will bounce higher than a ball made of rubber.
73