There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
A toaster uses almost half as much energy as a full-sized oven.
33
Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
More than a billion transistors are manufactured every second.
-25
Castor oil is used as a lubricant in jet planes.
-5
A small airplane can fly backwards.
75
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