There's an "anti-smartphone" called John's Phone which can only make and receive calls.
7
The cigarette lighter was invented before the match.
210
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
Students at MIT developed a wristband that can regulate your “thermal comfort”, which could possibly eliminate the need for central heating and cooling.
17
The Google driverless car has only encountered two accidents. The first it was rear ended at a stop sign, and the second was when a human was behind the wheel.
7
Castor oil is used as a lubricant in jet planes.
-5
Any modern jet is capable of breaking the sound barrier.
34