The name "bicuspid valve" for the left heart valve has largely been abandoned due to comprehensive studies showing the valve varies greatly in the number of cusps (flaps.) Up to six cusps (hexacuspid) have been observed. The term "left atrioventricular valve" or "mitral valve" is preferred. ncbi.nlm.nih.gov/pmc/arti…
John Denver's death was caused by his inability to switch fuel tanks during flight. The selector valve handle should have been located between the pilot's legs, but the builder put it behind the pilot's left shoulder. The fuel gauge was behind the pilot, not visible by him. en.wikipedia.org/wiki/Joh…
The existence of the wax motor. It is not a motor with rotating parts but a linear actuator that expands and contract by heating or cooling wax. It is mainly used to control a valve that needs to move slowly without rotating parts. en.wikipedia.org/wiki/Wax…
The earliest known vending machine was invented in 1st century Rome by Hero of Alexandria. Customers could insert a coin into his machine, and the coin's weight would depress a lever and open a valve to dispense holy water. en.wikipedia.org/wiki/Her…
In 2011, Electronic Arts released DLC for Dragon Age 2 and Crysis 2 purchased directly through the game, bypassing Steam's 30% cut. This led to Valve taking down the store pages, and EA refusing to release any games on Steam between 2011 and 2020. ign.com/articles/2011/07/…
Roald Dahl and toymaker Stanely Wade are two of the inventors of the modern ventricular catheters and shunt valves. Driven by his own sons suffering, Dahl and others were able to make a valve that cost less than a third of its predecessors ncbi.nlm.nih.gov/pmc/arti…
Bees have a stomach specifically for honey. If they get hungry they can turn a valve which allows some of the collected nectar to travel to their stomach. honeybee.org.au/education…
Steam was originally created so Valve didn't have to keep shutting off Counter-Strike servers to fix issues with the game. en.wikipedia.org/wiki/Ste…
Leonardo Da Vinci once conducted an experiment to understand the flow of blood through the valves of the heart, by pouring hot wax into one, making a mould of thin glass from the cast, and then pumping water mixed with seeds through it. He saw how a heart actually regulates itself. rct.uk/collection/919082/…
Today I learned of the Tricuspid Valve Annuloplasty Ring which prevents children with faulty organs or heart problems from needing more than one surgery as they get older. asme.org/topics-resources…
A toilet hose & spray head ($15) must not be installed without an RPZ valve ($400). The fresh water supply to your house and your whole street can be infected with bacteria. vba.vic.gov.au/__data/ass…
In 1831, a train suffered a boiler explosion when a fireman grew tired of listening to it whistle, and tried to stop the noise by placing a piece of lumber on the safety valve and sitting on it. The blocked valve caused the pressure within the boiler to exceed its capacity, and it exploded. en.wikipedia.org/wiki/Bes…
Out of the 3 volunteers who went in 1986 on a suicide mission to open the valves of the pool at the Chernobyl plant 2 are actually still alive en.wikipedia.org/wiki/Che…
During surgery on a 60-year-old woman, Italian doctors discovered one of the first heart prostheses - an artificial mitral valve - which was implanted almost 50 years ago when the patient was 10, by Christiaan Barnard, the surgeon who performed the world’s first human-to-human heart transplant theguardian.com/world/201…
Counter strike was a mod of half-life created by two programmers which was released in 1999. Due to the popularity of the mod, sales for half-life went up and, subsequently, the two friends were hired by valve who also acquired the game’s intellectual property. wikipedia.org/wiki/Counte…
Out of the 3 volunteers who went in 1986 on a suicide mission to open the valves of the pool at the Chernobyl plant 2 are actually still alive en.wikipedia.org/wiki/Che…
The Toyota 2ZZ-GE engine was the first production engine to combine cam-phasing variable valve timing with dual-profile variable valve lift in the American market. en.wikipedia.org/wiki/Toy…
The guy who wrote the dialogue for Portal was diagnosed with Ulcerative Colitis while working on it. He tried to quit Valve, and Gabe Newell gave him extended leave and told him that his only job was to get better. en.wikipedia.org/wiki/Eri…
White blood cells cannot directly reach the heart through the bloodstream, rendering it unable to fight infection in its valves (endocarditis). These infections in the bloodstream can occur from something as routine as teeth cleaning. heart.org/en/health-topic…
The coin-operated vending machine was invented about 2,000 years ago by Hero of Alexandria, an engineer and mathematician in first-century Roman Egypt. Users inserted a coin, which fell onto a pan that was attached to a lever that opened a valve and dispensed holy water. en.wikipedia.org/wiki/Ven…
The Chernobyl disaster would have been a lot worse if three engineers hadn't volunteered to swim through radioactive water to open valves and drain the liquid to prevent a steam explosion articles.philly.com/1986-…
EA tried to buy Valve for $1 billion gamespot.com/articles/ea-…
The three men who volunteered to turn of the valve at Chernobyl, did not die shortly after, and two are still alive today. businessinsider.com/chern…
JJ Abrams has made a deal with Valve to produce films based on Portal and Half-Life en.wikipedia.org/wiki/J._…
Ten days after the Chernobyl disaster, further risk of massive thermal explosion was identified, then three men known as "The Chernobyl divers" volunteered to swim through pooled water under leaked reactor to find and release the safety valves. They died few days later due to radiation exposure foccwestlothian.com/chern…
The lined chiton (Tonicella lineata), found in the northern Pacific Ocean, is quite colorful, having blue, purple or black straight or zig-zag lines on each of the eight valves. It mostly feeds on coralline algae. Sea stars are among their natural predators. They grow to about 5 cm (2 in.) long. inverts.wallawalla.edu/Mo…
The first vending machine was invented 2000 years ago in Roman Egypt and sold Holy Water. When the coin was deposited, it fell upon a pan attached to a lever which let some water flow out. A counterweight snapped the lever up and turned off the valve once the coin was tilted off the pan. en.wikipedia.org/wiki/Ven…
The symbol for the game half-life from Valve is called "Lambda" and it is use to calculate the half-life of an element. half-life.fandom.com/wiki…
That, in addition to the slide trombone and valve trombone, there is a trombone called the superbone that has both valves and a slide. en.wikipedia.org/wiki/Sup…
Giraffes have valves that control blood flow up and down their necks. Without them they would pass out after lifting their head up from ground level. nytimes.com/2014/10/07/sc…
Valve has no managers. Instead Employees choose which projects to work on, who to hire and can assemble their own teams for their new projects. inc.com/david-burkus/how-…
A man fell on a high pressure air valve. It lodged into his butt and inflated him to twice his size nearly killing him. He survived but it took three days to fart and burp out the excess air. latimes.com/news/wpix-man…
Some early Yugo models had an "interference engine" which meant if the owner didn't perform a timing belt replacement every 40-thousand miles, the valves and pistons could interfere with each other and permanently damage the engine. en.wikipedia.org/wiki/Yug…
Today I learned that the cake in portal was modeled after a black forest cake sold by a bakery nearby Valve Headquarters regentbakeryandcafe.com/b…
J J Abrams made a deal with Valve to make movies of Half-Life and Portal en.wikipedia.org/wiki/J._…
When a German hacker stole the source code for Half Life 2, Gabe Newell tricked him in to thinking Valve wanted to hire him as an "in-house security auditor". He was given plane tickets to the USA and was to be arrested on arrival by the FBI en.wikipedia.org/wiki/Hal…
Electronic Arts once tried to buy Valve for $1 billion. digitaltrends.com/gaming/…
Electronic Arts attempted to buy Valve for $1 billion, Newell (company founder) said Valve would prefer to "disintegrate" than ever sell out. gamespot.com/articles/ea-…
Employees at Valve have no managers. techspot.com/news/48303-v…
Valve refuses to become a publicly traded company because they don't want to have their products influenced by people who fund them. computerandvideogames.com…
The crew of Soyuz 11 died in space from asphyxiation, when a valve in their re-entry module stuck open. The capsule landed safely, but the crew were dead. en.wikipedia.org/wiki/Soy…
Gabe Newell is so confident in Valve's Steam Guard he has announced his Steam username and password and challenged people to get in pcgamer.com/2011/03/05/ga…
Valve worked with the FBI to set a trap for the German hacker who stole the Half-life 2 source code, offering him a fake job. He was "saved" when German police arrested him instead, only serving 2 years probation arstechnica.com/gaming/20…
A well-known hacker fired from Valve claims the company's flat management structure actually has "a hidden layer of powerful management... with a weird paranoia that their culture would be contaminated" develop-online.net/news/v…
IV street drugs like Heroin are β€˜cut’ (diluted by 3% to 99%) with talc or even rat poison. When injected, these substances go through the blood and damage the heart valves, making them more susceptible to bacterial colonization. If infected, they often fail... leading to heart failure. americanaddictioncenters.…
Over a decade after Valve stopped publishing new Half-Life games, their former writer Marc Laidlaw published a thinly veiled summary of what was intended to be the plot line of subsequent games on his personal blog. polygon.com/2017/8/25/162…
During the Three Mile Island incident, the government considered sending in terminally ill cancer patients to release a manual valve in the reactor thebulletin.org/behind-sc…
A heart valve installed in 36,000 testers was toxic scientificamerican.com/ar…
The β€œsmell hole” on bags of coffee is a one way valve that allows CO2 to escape and prevents oxygen from entering, therefore keeping the coffee fresh as oxygen accelerates the staling process. Canned coffee is allowed to degas in open air and is essentially β€œstale” when packaged. beanfruit.com/blogs/news/…
Veins have valves to stop blood from flowing backwards. jobst.com/mainnavigation/…

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