A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
One third of the electricity produced on earth is used to power electric light bulbs!
75
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
One barrel of petroleum holds 42 gallons.
20
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
Sound travels fifteen times faster through steel than through air.
134
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20