Whale oil was used in automobile transmissions as late as 1973.
56
The life boat was patented in 1845!
29
The electric chair was invented by a dentist!
122
Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
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
Scientists in China have built a prototype high-speed maglev train that is theoretically capable of reaching speeds of up to 1,800 mph (2,900 km/h).
1
Originally, BMW was an airplane engine manufacturer.
69