The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
Henry Ford produced the model T only in black because the black paint available at the time was the fastest to dry.
33
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
The average car produces a pound of pollution every 25 miles!
18
The electric chair was invented by a dentist!
122
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
If a car is travelling at 55 miles per hour it will travel 56 feet before the driver can shift his foot from the accelerator to the brake.
25