First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
There's an "anti-smartphone" called John's Phone which can only make and receive calls.
7
Whale oil was used in automobile transmissions as late as 1973.
56
A small airplane can fly backwards.
75
Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
Sony researchers have developed a refrigerator that only opens when you smile.
9