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
The life boat was patented in 1845!
29
The first hard drive available for the Apple II had a capacity of only 5 megabytes.
46
In the early 1960's, Porsche commercially manufactured farm tractors.
24
Castor oil is used as a lubricant in jet planes.
-5
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41