More than a billion transistors are manufactured every second.
-25
Car airbags kill 1 person for every 22 lives that they save.
80
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 first alarm clock could only ring at 4 a.m.
120
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12