Kleenex tissues were originally used as filters in gas masks.
46
More than a billion transistors are manufactured every second.
-25
Windmills always turn anti-clockwise. Except for the windmills in Ireland!
184
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
The electric chair was invented by a dentist!
122
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
There’s an internet-enabled jacket which gives you a “hug” every time a Facebook friend likes your status.
12
Sony researchers have developed a refrigerator that only opens when you smile.
9