The first alarm clock could only ring at 4 a.m.
120
More than a billion transistors are manufactured every second.
-25
The United States produces enough plastic film annually to cover the entire state of Texas.
13
In 1998, Sony accidently sold 700,000 camcorders that had the technology to see through people's clothes.
88
Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60