The electric chair was invented by a dentist!
122
Car airbags kill 1 person for every 22 lives that they save.
80
The cigarette lighter was invented before the match.
210
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
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
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
Whale oil was used in automobile transmissions as late as 1973.
56
Students at MIT developed a wristband that can regulate your “thermal comfort”, which could possibly eliminate the need for central heating and cooling.
17