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
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
Kleenex tissues were originally used as filters in gas masks.
46
Any modern jet is capable of breaking the sound barrier.
34
Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
