More than a billion transistors are manufactured every second.
-25
Castor oil is used as a lubricant in jet planes.
-5
A toaster uses almost half as much energy as a full-sized oven.
33
The cigarette lighter was invented before the match.
210
Energy is being wasted if a toaster is left plugged in after use.
21
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
