The first alarm clock could only ring at 4 a.m.
120
Car airbags kill 1 person for every 22 lives that they save.
80
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
The electric chair was invented by a dentist!
122
In 1998, Sony accidently sold 700,000 camcorders that had the technology to see through people's clothes.
87
The American Automobile Association was founded for the sole purpose of warning motorists of police speed traps!
36
More than a billion transistors are manufactured every second.
-25
Sony researchers have developed a refrigerator that only opens when you smile.
9