The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
There are only 14 blimps in the world.
69
Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
The ball on top of a flagpole is called a 'truck'.
24
Originally, Nintendo was a playing card manufacturer.
70
The life boat was patented in 1845!
29
Jumbo jets use 4,000 gallons of fuel to take off.
19