One cubic foot of gold weighs more than 1,200 pounds!
78
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
The earth is approx. 6,588,000,000,000,000,000 tons.
175
One 75-watt bulb gives more light than three 25-watt bulbs.
57
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Pure water (H2O) does not conduct electricity on its own.
46
Sound travels about 4 times faster in water than in air.
408