Paul C. Fisher created the space pen. The device writes upside down, in frigid or hot conditions, underwater, and in zero gravity. Pressurized cartridge ink, a gel-like solid turns to fluid to write. Pressurized nitrogen prevents air from mixing with the ink, so it cannot evaporate or oxidize. scientificamerican.com/ar…
Aurora Borealis occur when electrically charged particles from the sun collide with oxygen & nitrogen particles in the air. Their energy is partially converted into light. Depending on the height at which the particles collide, it glows red, green or blue-violet. theconversation.com/curio…
Some lichens are able to fix nitrogen. Cyanobacteria in nitrogen fixing lichens can transform nitrogen gas into a biologically useful form. en.wikipedia.org/wiki/Lic…
Potato chip packages are filled with nitrogen gas to help the snacks stay fresh indianapublicmedia.org/am…
It's estimated that at least half the nitrogen in the human body today comes from a synthetic ammonia plant. sciencemag.org/news/2018/…
The "Sarco" is a 3D-printable suicide machine designed by Dr. Philip Nitschke. The machine uses liquid nitrogen to operate and completes its function within 5 minutes. The only way to control the machine is from the inside, making the whole process voluntary. en.wikipedia.org/wiki/Sar…
A Danish company modified a version of thale cress (plant), that changes from green to red when being near landmines, because of the nitrogen dioxide gas released from landmines. This way you can detect landmines and save lives. nature.com/articles/news0…
Fritz Haber, a German scientist, is responsible for the loss of millions of lives, but also saved billions. The Haber process takes nitrogen in the air and turns it into nitrate to make explosives, but also fertilizer, avoiding famines after WW1. It is still heavily used today. en.wikipedia.org/wiki/Fri…
A bell made from pewter will not ring clearly at room temperature because the alloy is too soft. However, if cooled in liquid nitrogen, the pewter will harden enough that the bell will ring. en.wikipedia.org/wiki/Pew…
The wonderful smell that happens after a rain shower is not one, but three distinct smells: ozone caused by lightning ripping through oxygen and nitrogen in the atmosphere, spores produced by common ground bacteria, and oils produced by plants during dry spells as an evolutionary safeguard. gizmodo.com/what-causes-t…
The US first used gas chambers to execute prisoners in 1924, 15 years before Nazi Germany. In 2015, Oklahoma introduced nitrogen gas as an alternative execution method. deathpenaltyinfo.org/exec…
Lightning fertilizes plants. When lightning strikes, it rips nitrogen bonds in the atmosphere and the rains carry them into soil. indianapublicmedia.org/am…
Approximately half the nitrogen content of human tissues is not derived from natural sources, but instead derives from industrial manufacturing of fertilizer. en.wikipedia.org/wiki/Hab…
The "air" puffing-up most potato chips bags is actually not air. It's nitrogen. Chemical reactions with regular air would hurt the taste. Also, typical snacks bags are a high-tech sandwich of polypropylene, a possible thin coating of aluminum, and polyethylene (grocery-bag plastic). npr.org/sections/thesalt/…
Female dogs are more responsible for dead grass spots than males due to congealed nitrogen from squatting to pee opposed to lifting a leg and spreading it out. puppyleaks.com/female-dog…
Saturation Divers have to breathe a helium oxygen mix since a Nitrogen oxygen mix can lead to Nitrous Oxide poisoning. Due to this divers have high pitched helium voices for their entire submersion period which leads to more difficulty in communicating. youtu.be/Bmy8hqYvEyw
Lithium metal must be stored under argon as it can burn in a pure nitrogen atmosphere (no oxygen present) to form lithium nitride. Other reactive metals like sodium and potassium, however, do not react with nitrogen. en.wikipedia.org/wiki/Lit…
Humid air is lighter than dry air. This is why low-pressure areas (L) bring the rain, not the high-pressure areas (H). And this is because water (H2O) molecules are actually lighter than Oxygen (O2) and Nitrogen (N2) that make up the atmosphere. en.wikipedia.org/wiki/Low…
Rainforest canopies have their own soil that is completely distinct from the soil on the ground. This "canopy soil" forms on the tops of branches from the death of mosses and plants, and sustains a high richness of fungal species that regulate nitrogen and nutrients in the forest. mykoweb.com/articles/Fung…
Urine contains nitrogen, phosphorus and potassiumβ€”key nutrients that plants need to grow. Researchers have been studying the removal of bacteria, viruses, and pharmaceuticals in urine to improve the safety of urine-derived fertilizers. phys.org/news/2020-01-uri…
A symbiotic fungus can turn regular pine trees into carnivorous plants that consume up to 90% of soil-dwelling insects the fungus-infected roots can reach for their nitrogen, which the trees use for growth blogs.scientificamerican.…
In the 1970s, an unemployed haulage contractor named Arthur Hickey proposed to turn the Titanic into an iceberg using liquid nitrogen in order to raise her to the surface. It was calculated that this would have required half a million tons of liquid nitrogen. en.wikipedia.org/wiki/Wre…
Today I learned that the cloudy vapor that appears when liquid nitrogen is exposed to the air is condensed moisture, not the gas itself. The gas actually causing the condensation and freezing is completely invisible. tedpella.com/cryo-supplie…
Today I learned of JosΓ© Ignacio Barraquer, a Spanish opthalmologist who fixes his patients' vision using a technique called keratomileusis, where he slice his patients' cornea, dunk it in liquid nitrogen, ground the frozen cornea to the precise shape his patients need, thaw the cornea disc and sew it back on. en.wikipedia.org/wiki/Jos…
A microscopically small bubble of nitrogen, that had not completely dissolved into a titanium ingot, caused a DC-10, with 300 people on board, to lose hydraulics and crash land. sillyguy.fandom.com/wiki/…
Aircraft tires are inflated using nitrogen instead of air physlink.com/education/as…
A hypha is a branching filamentous structure of a fungus, oomycete, or actinobacterium. Mycorrhizal networks are underground hyphal networks created by mycorrhizal fungi that connect individual plants/trees/forests together and transfer water, carbon, nitrogen, and other nutrients and minerals. en.wikipedia.org/wiki/Myc…
Human urine is actually beneficial to plants and can be used as a natural fertilizer because of its composition of nitrogen, potassium and phosphorus. scientificamerican.com/ar…
The Apollo spacecraft was only pressurized to 27000' (8,200 m) (5.0 psi (0.34 bar) in space by using pure oxygen. In contrast, the USSR used an oxygen/nitrogen mix resembling air, which allowed the cabin to be pressurized to sea level, but at the cost of extra weight to the space craft. en.wikipedia.org/wiki/Cab…
Technical and commercial divers will breathe a mixture of oxygen, nitrogen, and helium known as trimix. Some of the nitrogen in air is replaced with helium to reduce the narcotic effect of breathing nitrogen under pressure, allowing them to dive deeper while maintaining a clear head. en.wikipedia.org/wiki/Tri…
You often have to refrigerate after opening because even though it looks like air is left in the package/bottle/container it is often an inert gas like nitrogen. Even potato chips do this. Breaking the seal lets in contaminants and the product immediately begins to spoil en.wikipedia.org/wiki/Ref…
While colored diamonds get their color from chemical impurities absorbing light- such as yellow diamonds containing nitrogen and blue diamonds containing boron- pink diamonds have no traces of impurities, thus baffling scientists and geologists as to how they have a pink color. bbc.com/news/magazine-305…
Lightning is a source of fixed nitrogen, and thus nitrate. Nitrogen in the atmosphere is highly stable and nonreactive due to the triple bond between atoms in the N2 molecule. Lightning produces enough energy and heat to break this bond allowing nitrogen atoms to react with oxygen, forming NOx. en.wikipedia.org/wiki/Nit…
A shifting climate on Saturn's moon Titan caused underground nitrogen pockets to explode. The craters left behind by these huge blasts eventually became Titan's liquid-hydrocarbon lakes. astronomy.com/news/2019/0…
In 2012 a young woman's stomach had to be removed after drinking a shot with liquid nitrogen still in it. theguardian.com/uk-news/2…
There is a fern that has such a high level of atmospheric carbon sequestration that it caused an ice age. Azolla captures 6 tons of atmoshperic carbon per acre per year and could reduce global CO2 levels, while providing high protein livestock feed, or nitrogen rich fertilizer. news.com.au/technology/en…
East Lake, Wuhan, is the largest or the second largest urban lake in China. Each year, about 441 tons of nitrogen and 40 tons of phosphorus flow into the lake. Most parts of the lake have been assessed as eutrophicated, unsuitable for drinking and many recreational purposes en.wikipedia.org/wiki/Eas…
A British girl had to have her stomach removed after drinking a shot of Jager mixed with liquid nitrogen. The bar was handed a 100,000 pound fine. time.com/4044433/pub-liqu…
Casino Royale scoops a Guinness World Record for the most cannon rolls in a car. ... Stunt double Adam Kirley plays Bond in the scene in which a nitrogen cannon blows the car through the air. digitalspy.com/movies/a39…
In the needles of the Pinus flexilis live bacteria that are capable of fixing nitrogen from the air. escholarship.org/uc/item/…
Today I learned of a 1970s proposal to re-float the wreck of the RMS Titanic by filling it with half a million tons of liquid nitrogen. This would’ve turned the ship into an iceberg, floating it to the surface. en.wikipedia.org/wiki/Wre…
Humans are responsible for around half of all global nitrogen fixation (the process that transforms nitrogen gas into forms plants/algae can use) semanticscholar.org/paper…
Nitrogen gas is liquified at extremely low temperature βˆ’196 Β°C or βˆ’320 Β°F. It can cause rapid freezing on contact with any materials or living tissues. Liquid nitrogen can be stored and sometimes used for gastronomic cooking such a the dragon breath candy, a popular snack in Malaysia youtu.be/z-PEzSr-Qbs
Today I learned of the Haber–Bosch process developed in the 20th century - the process produces 450 million tonnes of nitrogen fertilizer per year now & has allowed to global population to grow from 1.6 billion in 1900 to 7 billion today en.wikipedia.org/wiki/Hab…
Nitrogen trichloride, also known as trichloramine, is responsible for that common swimming pool smell. This yellow, oily, pungent-smelling and explosive liquid is most commonly encountered as a byproduct of chemical reactions between ammonia-derivatives and chlorine. en.wikipedia.org/wiki/Nit…
The reason there's a lot of "air" in chip packets is because the "air" is nitrogen, which keeps the chips from becoming unfit for consumption due to oxygen in the air, making the chips rancid. today.com/food/why-there-…
Nitrogen narcosis, an alteration in consciousness that occurs while diving at depth. The effects are essentially identical to nitrous oxide, and resemble the effects of alcohol, cannabis, diazepam and alprazolam. en.wikipedia.org/wiki/Nit…
Lightning plays an important part in the Earths nitrogen cycle by breaking down nitrogen molecules in the air, so they can be dissolved by rain, and then carried down to Earth. Nitrogen is a very important element and needed for the production, growth, and decomposition of every living thing. sciencedirect.com/science…
In 1909 two chemists invented an industrial process to harvest nitrogen from the air. Today, the nitrogen from that process keeps roughly 3.5 billion people alive. thomashager.net/worlds-gr…
In 2013, a JΓ€germeister-sponsored party went awry, when the staff threw liquid nitrogen into the pool to create smoke. The nitrogen displaced oxygen, poisoning the people around. 9 partygoers were hospitalized, including one who fell into a coma. mirror.co.uk/news/world-n…

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