The cigarette lighter was invented before the match.
210
Sony researchers have developed a refrigerator that only opens when you smile.
9
The first hard drive available for the Apple II had a capacity of only 5 megabytes.
46
The electric chair was invented by a dentist!
122
Car airbags kill 1 person for every 22 lives that they save.
80
The life boat was patented in 1845!
29
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60
The Google driverless car has only encountered two accidents. The first it was rear ended at a stop sign, and the second was when a human was behind the wheel.
7