The storage capacity of human brain exceeds 4 Terrabytes.
140
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Sound travels about 4 times faster in water than in air.
408
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
The bark of an older redwood tree is fireproof.
65
A 'jiffy' is an actual unit of time for 1/100th of a second!
66