Sony researchers have developed a refrigerator that only opens when you smile.
9
A small airplane can fly backwards.
75
Attics were invented in Attica.
43
The electric chair was invented by a dentist!
122
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
Scientists in China have built a prototype high-speed maglev train that is theoretically capable of reaching speeds of up to 1,800 mph (2,900 km/h).
1
Castor oil is used as a lubricant in jet planes.
-5
The IRS processes more than 2 billion pieces of paper each year.
28