Kleenex tissues were originally used as filters in gas masks.
46
The Queen Mary - the grandest vessel of her day - had many of her vital components made by car manufacturer Skoda!
23
Scientists in China have built a prototype high-speed maglev train that is theoretically capable of reaching speeds of up to 1,800 mph (2,900 km/h).
1
Jumbo jets use 4,000 gallons of fuel to take off.
19
The United States produces enough plastic film annually to cover the entire state of Texas.
13
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