A small airplane can fly backwards.
75
More steel in the United States is used to make bottle caps than to manufacture automobile bodies.
55
Students at MIT developed a wristband that can regulate your “thermal comfort”, which could possibly eliminate the need for central heating and cooling.
17
Super Nintendo and Sega Genesis had an online multiplayer mode.
-2
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60
More than a billion transistors are manufactured every second.
-25
The life boat was patented in 1845!
29