The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
A small airplane can fly backwards.
75
Future biotechnology could be used to trick a prisoner's mind into thinking they have served a 1,000 year sentence in only eight hours, a group of scientists have claimed.
0
The IRS processes more than 2 billion pieces of paper each year.
28
All GPS units sold in the civilian market have to be programmed to deactivate themselves if they detect they are travelling faster than 1200 MPH or are above 60,000 feet in altitude to prevent them being used in intercontinental ballistic missiles.
2
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
It takes six months to build a Rolls Royce...and 13 hours to build a Toyota.
93
Any modern jet is capable of breaking the sound barrier.
34