Inventor of the soda cap: William Painter

Inventor of the soda cap: William Painter

William Painter started life as an apprentice in a leather factory at the age of 17. During his 4 year apprenticeship here, he made his first two inventions; He built a ticket cutting machine that can give change and a train seat that can be folded into a bunk. 

Who, when and how invented Slinky?

Who, when and how invented Slinky?

It is a colorful toy that is much more familiar to those who spent their childhood in the 90s; aka stress spring (slinky). Did you know that the stress spring, which is undoubtedly one of the most popular toys of its time, that we play with its spiral shape by springing it to the right and left with both hands, has a patent registration?