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
One third of the electricity produced on earth is used to power electric light bulbs!
75
The force of a suction cup is calculated using F=AP.
15
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Balsa wood is classified as a hard wood!
41
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Liquid TIDE laundry detergent glows under a blacklight.
96
According to studies, men change their minds two to three times more often than women.
72