To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
A fully loaded supertanker traveling at normal speed takes a least twenty minutes to stop.
27
There's an "anti-smartphone" called John's Phone which can only make and receive calls.
7
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
