Did you know facts
Over 980 Did you know facts!!
- Did you know you shed a complete layer of skin every 4 weeks
- Did you know that after petrol, coffee is the largest item bought and sold
- Did you know the first metered taxi was introduced in 1907
- Did you know the Chinese used fingerprints as a method of identification as far back as AD 700
- Did you know a Sphygmomanometer measures blood pressure
- Did you know the revolving door was invented in 1888
- Did you know minus 40C is exactly the same temperature as minus 40F
- Did you know cars were first started with ignition keys in 1949
- Did you know to crack a whip the tip must be travelling faster than the speed of sound
- Did you know there is enough petrol in a full tank of a Jumbo Jet to drive the average car 4 times around the world
- Did you know Sir Isaac Newton was 23 when he discovered the law of gravity
- Did you know the lie detector was invented in 1921
- Did you know the world's knowledge is growing so fast that 90% of what we will know in 50 years time will be discovered in those 50 years
- Did you know the drinking straw was invented in 1886
- Did you know red light has the highest wavelength
- Did you know paper money was first used in China
- Did you know according to the old English time system a moment is 1 and a half minutes
- Did you know oxygen, carbon, hydrogen and nitrogen make up 90% of the human body
- Did you know light is electro magnetic radiation
- Did you know a car travelling at 80kph (50mph) uses half its fuel to overcome wind resistance