Who invented cat flap door

While he was in his attic trying to conduct light experiments, his cat kept nudging the door open and letting the light in, spoiling his experiments. Whilst Sir Isaac Newton is best known for discovering the law of gravity as he sat under an apple tree, he also has other discoveries and inventions to his credit. The humble cat flap originated out of one of his other experiments when he was studying colour and the order it came in a prism.

He went up to his attic where there was only one window and in order to control light, he needed to black out the room. His cat loved to be with him, and she constantly nosed the door open, which would then let the light in — thus spoiling his experiments. I suspect Neil was more the facilitator than the prime mover on these inventions at one time he held a minority interest in Lionel.

Get the newsletter for people who love local. Get the free newsletter. You're on the list. There was an error and we couldn't process your subscription. Please reload the page and try again. Don't rely on Facebook and Twitter's algorithms to get you the news you need. Recently, this has been marred by robbers using the flap to reach up for door keys, and even to crawl through. This is the more remarkable given research showing that half our cats will be too fat to fit through the standard flap in 10 years.

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