The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
A small airplane can fly backwards.
75
Sony researchers have developed a refrigerator that only opens when you smile.
9
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
The first hard drive available for the Apple II had a capacity of only 5 megabytes.
46
Energy is being wasted if a toaster is left plugged in after use.
21
Mico headphones read your brainwaves and select music based on your state of mind.
7