A toaster uses almost half as much energy as a full-sized oven.
33
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
Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
The electric chair was invented by a dentist!
122
A small airplane can fly backwards.
75

