The cigarette lighter was invented before the match.
210
Any modern jet is capable of breaking the sound barrier.
34
Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
If a car is travelling at 55 miles per hour it will travel 56 feet before the driver can shift his foot from the accelerator to the brake.
25
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60
There's an "anti-smartphone" called John's Phone which can only make and receive calls.
7
The electric chair was invented by a dentist!
122