First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
Energy is being wasted if a toaster is left plugged in after use.
21
The life boat was patented in 1845!
29
The American Automobile Association was founded for the sole purpose of warning motorists of police speed traps!
36
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12