Car airbags kill 1 person for every 22 lives that they save.
80
Kleenex tissues were originally used as filters in gas masks.
46
There's an "anti-smartphone" called John's Phone which can only make and receive calls.
7
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
Originally, Nintendo was a playing card manufacturer.
70
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
The first hard drive available for the Apple II had a capacity of only 5 megabytes.
46