Technically speaking, crystal glass is actually a Liquid that flows very slowly.
43
The first alarm clock could only ring at 4 a.m.
120
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
Any modern jet is capable of breaking the sound barrier.
34
Castor oil is used as a lubricant in jet planes.
-5
Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47