The ball on top of a flagpole is called a 'truck'.
24
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
The cigarette lighter was invented before the match.
210
It takes six months to build a Rolls Royce...and 13 hours to build a Toyota.
93
Originally, Nintendo was a playing card manufacturer.
70
The IRS processes more than 2 billion pieces of paper each year.
28