Whale oil was used in automobile transmissions as late as 1973.
56
Mico headphones read your brainwaves and select music based on your state of mind.
7
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
Castor oil is used as a lubricant in jet planes.
-5
If a car is travelling at 55 miles per hour it will travel 56 feet before the driver can shift his foot from the accelerator to the brake.
25
There's an "anti-smartphone" called John's Phone which can only make and receive calls.
7
There's a phone app called RoboRoach that allows you to remotely control a cockroach through a chip that you to manually implant into the unwitting critter.
10
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12