The force of a suction cup is calculated using F=AP.
15
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Cold water weighs more than hot water.
93
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
One 75-watt bulb gives more light than three 25-watt bulbs.
57
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