There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
The life boat was patented in 1845!
29
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60
Car airbags kill 1 person for every 22 lives that they save.
80
The first hard drive available for the Apple II had a capacity of only 5 megabytes.
46
Jumbo jets use 4,000 gallons of fuel to take off.
19
More than a billion transistors are manufactured every second.
-25
There are only 14 blimps in the world.
69