The original vintage Slinky toy was an all-metal spring that thrilled kids by ‘walking’ down stairs. Invented by accident back in the forties, it’s one of the classic toys that has stood the test of time.
Who invented the sewing machine? That really depends on how much progress has to be made for something to be considered ‘invented.’ Find out more!
Nikola Tesla filed a US Patent for his improvements on Ben Franklin’s almost 200-year-old lightning rod design.