A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Nylon is made from coal and petroleum.
42
A cesium atom in an atomic clock beats over nine billion times a second.
43
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Iron weighs more after it rusts.
16
One 75-watt bulb gives more light than three 25-watt bulbs.
57