The storage capacity of human brain exceeds 4 Terrabytes.
140
In zero gravity, a candle's flame is round and blue.
16
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Diamonds can be shattered with a hammer.
-104
Sound travels about 4 times faster in water than in air.
408
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Sound travels fifteen times faster through steel than through air.
134