One 75-watt bulb gives more light than three 25-watt bulbs.
57
The storage capacity of human brain exceeds 4 Terrabytes.
140
One third of the electricity produced on earth is used to power electric light bulbs!
75
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Indoor pollution is 10 times more toxic than outdoor pollution.
62
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39