Jumbo jets use 4,000 gallons of fuel to take off.
19
About 39,000 gallons of water are used to produce the average car!
14
Windmills always turn anti-clockwise. Except for the windmills in Ireland!
184
More than a billion transistors are manufactured every second.
-25
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
A small airplane can fly backwards.
75