Whale oil was used in automobile transmissions as late as 1973.
56
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
More than a billion transistors are manufactured every second.
-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
Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
There are only 14 blimps in the world.
69
In 1998, Sony accidently sold 700,000 camcorders that had the technology to see through people's clothes.
88