One 75-watt bulb gives more light than three 25-watt bulbs.
57
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
The force of a suction cup is calculated using F=AP.
15
Galalith is a type of plastic that can be made from milk. It is odourless, insoluble in water, biodegradable, anti-allergenic, antistatic, and virtually non-flammable.
1
Aluminum used to be more valuable than gold!
84