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
A small airplane can fly backwards.
75
There are only 14 blimps in the world.
69
There's an "anti-smartphone" called John's Phone which can only make and receive calls.
7
More than a billion transistors are manufactured every second.
-25



