The ball on top of a flagpole is called a 'truck'.
24
Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
More steel in the United States is used to make bottle caps than to manufacture automobile bodies.
55
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
Sony researchers have developed a refrigerator that only opens when you smile.
9
A small airplane can fly backwards.
75