The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
Students at MIT developed a wristband that can regulate your “thermal comfort”, which could possibly eliminate the need for central heating and cooling.
17
A small airplane can fly backwards.
75
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 steel in the United States is used to make bottle caps than to manufacture automobile bodies.
55
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
The electric chair was invented by a dentist!
122