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Accidental inventions – Cellophane
In 1900, Jaques E Brandenberger witnessed an anonymous Swiss diner spill red wine over a restaurant tablecloth. The cloth ruined, Brandenberger decided then and there to do something about it. But inventing a clear flexible film that could provide a ...Accidental Inventions – The Pacemaker
It's comforting to know that even the great inventors can get their wires crossed. They may get blown up, but on the other hand they may find they have stumbled on something truly useful. During the late 1950s Wilson Greatbatch, a University of Bu...Accidental Inventions – Vaseline
Robert Chesebrough was an enterprising young kerosene salesman who fell on hard times when his supply of sperm whale dried up. So in 1859, he went to seek his fortune in the oilfields of Pennsylvania. His quest turned out to be successful, but not in...Accidental Inventions – Velcro
Often erroneously believed to have been developed as part of the American Space Programme, Velcro was actually invented in 1948 by a Swiss engineer who had just been walking his dog. When George de Mestral got home, he noticed that both he and his...Accidental Inventions – Stainless Steel
Harry Brearley was working to prevent corrosion in rifle barrels when he accidentally invented something that would revolutionise the world of cutlery. Not an obvious route, but Brearley was an observant chap and he knew when he had something worth k...Accidental Inventions – Teflon
Teflon was invented in 1938 by a DuPont research chemist named Roy J plunkett. One day he was experimenting with a coolant called TRE (tetrafluoroethylene) to establish its suitability for refrigeration purposes. For some reason, the pressurised c...The Great Inventors – Donald Duncan
Although DF Duncan Senior, born in 1892, was a talented inventor (he co-patented a four-wheel hydraulic car brake and came up with the Eskimo pie), his real genius was marketing. He was, for example, the brains behind the first premium incentive('sen...