Factoids about Inventors

Thanks to Strange Cosmos… Interesting facts about inventors:

1. In 1894, Lord Kelvin predicted that heavier-than-air flying machines were impossible.
2. Air-filled tires were used on bicycles before they were used on cars.
3. The first neon sign was made in 1923 for a Packard dealership.
4. The can opener was invented 48 years after cans were introduced.
5. The hair perm was invented in 1906 by Karl Ludwig Nessler of Germany.
6. The first fax process was patented in 1843.
7. During the 1860s, George Leclanche developed the dry-cell battery.