The oldest glowing lightbulb was first switched on in 1901 and lives in fire stations in Livermore, CA. It is known as the Centennial Light.
118
At age 18, the Queen of England was a mechanic for the British Military.
67
Leonardo Da Vinci predicted the mass use of solar energy as long ago as 1447.
153
Romans used a plant called Silphium as contraception. They had so much sex that they drove it into extinction.
24
Clocks made before 1660 had only one hand - an hour hand.
41
Two dogs were among the Titanic survivors.
262