Sony researchers have developed a refrigerator that only opens when you smile.
9
Car airbags kill 1 person for every 22 lives that they save.
80
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
Students at MIT developed a wristband that can regulate your “thermal comfort”, which could possibly eliminate the need for central heating and cooling.
17
Contrary to popular belief, putting sugar in a car's gas tank will NOT ruin its engine.
25
Whale oil was used in automobile transmissions as late as 1973.
56
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12