Kleenex tissues were originally used as filters in gas masks.
46
More than a billion transistors are manufactured every second.
-25
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
All GPS units sold in the civilian market have to be programmed to deactivate themselves if they detect they are travelling faster than 1200 MPH or are above 60,000 feet in altitude to prevent them being used in intercontinental ballistic missiles.
2
It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
There’s an internet-enabled jacket which gives you a “hug” every time a Facebook friend likes your status.
12
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12