There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
Technically speaking, crystal glass is actually a Liquid that flows very slowly.
43
Any modern jet is capable of breaking the sound barrier.
34
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
More than a billion transistors are manufactured every second.
-25
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
Car airbags kill 1 person for every 22 lives that they save.
80