It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
The first alarm clock could only ring at 4 a.m.
120
Any modern jet is capable of breaking the sound barrier.
34
Car airbags kill 1 person for every 22 lives that they save.
80
Super Nintendo and Sega Genesis had an online multiplayer mode.
-2
The electric chair was invented by a dentist!
122