Cool Old Inventions From The Past

The 1920's didn't just bring us the horrors of World War 1, but also inventions like the lie detector, traffic signal, penicillin and a electronic box which showed moving images in black and white, which was some what like a TV we use today. With out the people who came up and created these ideas, where would we be now? No TV, Internet, Facebook/Twitter!

Even the 1930's showed promise in inventions, bring us us the jet engine, helicopter, ballpoint pen, photocopier and tea bags. But what about the inventions that never made it or inventions that people found hilarious what happened to them?

Well below are some cool inventions from the past, check them out!

One Wheel Motorcycle (1931)

Credit: BoredPanda