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
The first alarm clock could only ring at 4 a.m.
120
Castor oil is used as a lubricant in jet planes.
-5
Students at MIT developed a wristband that can regulate your “thermal comfort”, which could possibly eliminate the need for central heating and cooling.
17
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
