The first alarm clock could only ring at 4 a.m.
120
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
Kleenex tissues were originally used as filters in gas masks.
46
Technically speaking, crystal glass is actually a Liquid that flows very slowly.
43
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
Any modern jet is capable of breaking the sound barrier.
34
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47