There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
Super Nintendo and Sega Genesis had an online multiplayer mode.
-2
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
Jumbo jets use 4,000 gallons of fuel to take off.
19
A toaster uses almost half as much energy as a full-sized oven.
33
Castor oil is used as a lubricant in jet planes.
-5