Sound travels fifteen times faster through steel than through air.
134
Cold water weighs more than hot water.
93
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Billions of neutrinos pass unnoticed through your body every second.
6
The earth is approx. 6,588,000,000,000,000,000 tons.
175
The force of a suction cup is calculated using F=AP.
15
One barrel of petroleum holds 42 gallons.
20
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9