40 Interesting Devices You Never Knew Existed

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26Momsen Lung

"The Momsen Lung" was a device that was used in World War 2 to escape submarines over 100 feet deep. It recycled oxygen in your breath while filtering C02. It was used only once, in 1944, by 9 members of the USS Tang after it torpedoed itself and sank in 180 feet of water.

27. Otohime a.k.a. ‘The Noise Princess’ is a gadget installed in some Japanese toilets whose sole purpose is to produce an electronic flushing sound to drown out the noise of other lavatory activities.

28. Many German households own a device designed to neatly cut a hole into a soft boiled egg, called an "Eierschalensollbruchstellenverursacher," which literally translates to "eggshell breaking point causer."

29. There is a machine that transforms concrete rubble into Lego-like building blocks. The blocks allow victims of war or natural disasters to construct their own new, earthquake-resistant houses.

30. The icebox was a gadget that was widely used before refrigerators to keep things fresh/cold. It's literally a box with ice in it. People had jobs collecting large blocks of ice to supply the icebox.

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31Orgone Accumulator

The Orgone Accumulator was a device sold in the 1950s to allow a person sitting inside to attract orgone, a massless 'healing energy'. The FDA noted that one purchaser, a college professor, knew it was "phony" but found it "helpful because his wife sat quietly in it for four hours every day."

32. Some modern appliances have something called "Sabbath Mode" which makes subtle changes to the way they operate (fridges, ovens, etc) - basically allowing people who observe not using machines and whatnot the ability to "cheat" and still use them.

33. In 1974, there was a single man flying machine called "Williams WASP X-Jet." It had no wings and no propellers. It could fly up to 60 MPH, had a service ceiling of 10,000 feet, and could fly for nearly 45 minutes.

34. In 1965, a patent was filed for a "birthing apparatus" which would spin pregnant women around at as much as 7G until their baby was flung out from the centrifugal force.

35. Carl Haber created a machine named SmartScope that can read the surface of very old audio recordings and reproduce them without anything having to touch them; using the same type of technology that was used to see the Higgs boson particle.

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36Sanitary pad machine

A man named Arunachalam Muruganantham in India created and patented a machine that could manufacture low-cost sanitary pads for less than a third of the cost of commercial pads and provided the machines to self-help groups run by women all over India.

37. In the 1930's, Helene Adelaide Shelby invented an apparatus (Confession device) for obtaining criminal confessions, which consisted of putting the criminal in a dark chamber, and confronting them with a human skeleton with glowing red eyes, which contained a camera and microphone

38. The CIA issued rectal tool kits for spies. This imaginative gadget was designed to get operatives out of difficult situations.

39. Thanks to a genetic algorithm, Dr. Adrian Thompson produced a prototype voice-recognition circuit distinguishing and responding to “stop” and “go” using only 37 logic gates. 5 of them weren’t connected to the rest of the network, yet if they were removed, the device stopped working.

40. “Word Processors” were standalone physical devices before the software that uses the term borrowed it from there.


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