Strings and cables moving randomly will spontaneously knot themselves with a probability reaching 100% pnas.org/content/104/42/1…
The Inka never developed writing but instead had a system of tying knots called khipu in which the color, direction and structure of the knots communicated different information. While most of it is numerical, fully cracking the code reveal a phonetic khipu alphabet with records of history. discovermagazine.com/plan…
Windsocks are calibrated to visually show wind speed as well as wind direction. They are designed such that each inflated red/white stripe indicates a 3 knot increase in wind speed to a maximum of 15 knots. hollandaviation.nl/en/win…
"knotty pine" paneling was made popular in New England homes because ship captains requested their ship quarters be well-outfitted with knot-free pine. The shipbuilders took the leftover knotty pine to use in their own homes. thisoldhouse.com/westerly…
The term "logbook" has maritime origins. A log with a rope attached to it would be thrown overboard, with knots in the rope being spaced at regular intervals. To determine the speed, you would count how many knots passed in a given time period. This is also the origin of the term β€œknots”. en.wikipedia.org/wiki/Log…
The bowline knot is known as the king of the knots due to its wide variety of applications. Most notably is that its easy to untie regardless of the weight of the load. en.wikipedia.org/wiki/Bow…
The hairstyle β€œchonmage” or β€œtop knot” of the Japanese in the Edo era was a means to hold samurai helmets in place. In 1876 it was banned along with other references to the samurai class. samurai-world.com/chonmag…
A ships speed is measured in knots because in the 16th century, sailors started throwing floatables off their boat which were attached to a rope. They made knots with always the same distance to each other. The sailors counted how many knots had passed in a given time to find out their speed. history.com/news/why-is-a…
In Spain they pray to St Cucuphas when something is lost. They tie knots into a handkerchief representing his testicles. They promise to undo the knots once the lost object is found. wikipedia.org/wiki/Cucuph…
A 'knot' is tied in a single piece of rope. Something that ties two pieces of string together is called a 'bend'. en.wikipedia.org/wiki/Kno…
The fastest land speed record is 1,227.985 km/h (763.03 mph), the fastest manned rocket-powered aircraft was 7,270 km/h (4,520 mph), and water speed record was 275.98 knots (511.11 km/h, 317.59 mph). en.wikipedia.org/wiki/Lis…
Today I learned of the Flamen Dialis, a roman high-priest. The person holding the title lived under strenuous rules: he was not allowed to touch/ride a horse, sleep three days outside his bed, appear at an empty table, touch iron, have a knot on his attire, swear an oath, touch or name a dog (and many more). en.wikipedia.org/wiki/Fla…
Regardless of method, there is a right and wrong order for tying your shoelaces, and doing it wrong results in a "granny knot" that makes your laces come undone much more easily. fieggen.com/shoelace/gran…
Real pearl necklaces and bracelets have knots tired between them to keep them from damaging each other. Most fakes do not. jewelrynotes.com/why-your…
Today I learned about the Gordian Knot, a supposedly impossible knot to untie. An oracle declared that whomever opened the knot would become ruler of all Asia. Alexander the Great, unsuccessful at loosening the knot, simply sliced it in half with his sword, fulfilling the prophecy. en.wikipedia.org/wiki/Gor…
The fastest human powered vehicle on water was 18.5 knots/21.3 mph/34km/h , set by Mark Drela in 1991 using a hydrofoil Decavitator. Some think it took undue advantage of a Dupont Prize rule allowing for 3mph tail wind. bbc.com/future/article/20…
Wood knots are formed by new wood growing around dead branches from when the tree was younger en.wikipedia.org/wiki/Woo…
In Phrygia (modern Turkey), there was a legendary prophesy about a unique knot which could only be loosened by the man who would rule all of Asia. It was called the "Gordian" knot because it was preserved in Gordium. Alexander the Great cut the knot with his sword. simple.wikipedia.org/wiki…
Sir William Petty built the first catamarans in Europe in 1663. His first catamaran, The Experiment, set a speed record 16 knots in January 1663. And his second catamaran, The Invention, raced across the Irish Sea in July 1663 and arrived in Dublin 15 hours ahead of the Hollyhead mailboat irishtimes.com/news/cromw…
Starfish have been suffering from a deadly virus which knots their limbs, before their legs rip themselves off and crawl away from their bodies motherboard.vice.com/en_u…
Today I learned of quipos - the Andean writing system which didn't use ink and paper/tablets/skins. Information was encoded in an intricate system of strings of colored yarn tied in a variety of knots. This system survived until just after the Conquistadors. ancient.eu/Quipu/
A rat king occurs when young rats living close to each other get their tails entangled and encrusted with dirt. This knot then tightens when they pull away from the group - the largest found comprised of 32 individual rats. guinnessworldrecords.com/…
Today I learned of B95 or Moonbird. A 21 Year Old Red Knot Who Has Flown the Same Distance From the Earth to the Moon and Back in His Lifetime. He is Also the Oldest Known Example of the Species Earning Him the Title of the "Toughest 4 Oz on the Planet" mnn.com/earth-matters/ani…
Today I learned of the Diamond Knot. In 1947 it collided with the Fenn Victory off the Washington Coast and sank. The insurance company paid out for the ship and cargo lost, then salvaged the cargo, $3.5 million worth of canned salmon, using vacuum pumps and barges. It was then re-canned and sold. dcsfilms.com/Site_4/Diamo…
The difference between U-2's maximum speed and stall speed at operational altitude is just 10 knots (19 km/h; 12 mph) en.wikipedia.org/wiki/Loc…
A man swore to never shave again if Abraham Lincoln were elected president, and kept his promise. His beard eventually grew so long that most days he tied it in a knot and stuffed it into a silk bag that he wore beneath his vest. He died 50 years later at the age of 80 with a beard 12.5' long. lukebauserman.com/theweek…
A monkey's fist knot is used as the weight in heaving a line between ship and dock. Recognizing their potential, drunken sailors began using them as melee weapons in street and bar fights with the knot eventually being adopted by street gangs of the 19th century. en.wikipedia.org/wiki/Mon…
An individual red knot bird, tagged as B-95, has flown the distance to the moon and halfway back over his lifetime. nature.org/newsfeatures/s…
Knots, the nautical unit of speed, received its name from counting the number of knots in a line that unspooled from the reel of a "chip log" dropped behind the ship during a specific period of time. en.wikipedia.org/wiki/Kno…
The U.S. census began collecting data about same-sex couples in 1990, when the "unmarried partner" category was added to the relationship question to measure the growing trend of couples living together before tying the knot. npr.org/2018/03/30/598192…
The Great British Knot Experiment found that cords have a much smaller chance of tangling when their ends are tied together to form a loop. The result has also been used by pharmacologists to control microscopic loops in DNA and viruses. mentalfloss.com/article/5…
If you are someone whose shoelaces are constantly coming undone you are probably using a "weak" version of the traditional 'bunny ears' knot! Once you switch to the strong version, the likelihood of the knot coming undone with activity and time diminishes significantly! ted.com/talks/terry_moore…
Erik Christopher Zeeman tried for 7 years to prove that one cannot untie a knot on a 4-sphere. Then one day he decided to try to prove the opposite, and he succeeded in a few hours en.wikipedia.org/wiki/Lis…
Crocheting keeps only one knot open at a time whereas Knitting keeps an entire row open simultaneously en.wikipedia.org/wiki/Cro…
Today I learned about Condition 1 weather on Antarctica: Visibility less than 100 feet, Windspeed over 55 knots, Air temperature and/or wind chill below βˆ’100 Β°F, each sustained for one minute or longer youtu.be/qz2SeEzxMuE
There are 177,147 ways to knot a necktie. phys.org/news/2014-02-mat…
Today I learned about the USAT Honda Knot, the first ship to return the bodies of servicemen to the US from overseas as part of a $200M effort following WWII. ohmsweetohm.me/2012/09/23…
The United States Air Force (USAF) F-22A Raptor stealth fighter jet's "canopy is resistant to chemical/biological and environmental agents, and has been successfully tested to withstand the impact of a four-pound bird at 350 knots. It also protects the pilot from lightning strikes." globalsecurity.org/milita…
Today I learned of the "Ian Knot", an optimized shoe tying method that creates the standard knot within a couple seconds by creating both loops simultaneously. youtu.be/WgSwvDkJVxE
Most people tie their shoes incorrectly using a "weak" form of the knot because it is easier for children to learn, however the "strong" version of the knot will keep your laces tied better. youtube.com/watch?v=zAFcV…
Knots as a unit of measuring speed came ships throwing overboard a line with a board attached and counting how many knots passed through their fingers in 30 seconds. en.wikipedia.org/wiki/Kno…
Following the "right over left, left over right" rule when tying shoelaces results in a more balanced and secure knot. fieggen.com/shoelace/gran…
The Ian Knot and cut the time it takes to tie my shoes by more than half. fieggen.com/shoelace/iank…
The Power of the SR-71. Staring @ the 0:30, the chase plane will pass alongside the SR at about 180 knots. The SR will catch and pass the chase aircraft, easily, before the end of the runway. (The SR lifts off @ about 250 knots) youtube.com/watch?v=B-N0p…
The term 'fairy-locks', which originated in the mid to late 1500s, is another word for dreadlocks. It was believed when the fairies played in your hair at night they would knot it up; and it was bad luck to untangle. en.wikipedia.org/wiki/Fai…
Today I learned about the May-December relationship between Harry Truman’s VP Alben Barkley and his wife Jane. They married when he was 71 and she was 38. They had both outlived previous spouses. After maintaining a long-distance relationship, they tied the knot and stayed together until he died at 78 en.wikipedia.org/wiki/Alb…
Knots do not work in a 4D universe. So if there are fourth dimensional creatures they must keep their shoes on with velcro. math.harvard.edu/archive/…
The slowest speed a United States Air Force (USAF) pilot flew his USAF SR-71 Blackbird reconnaissance jet was 281.504 kilometers per hour (kph) = 174.918 miles per hour (mph) = 152 knots. planeandpilotmag.com/arti…
β€’ A fine-quality Persian rug, containing as many as 1 million knots in every 3 square feet, may last as long as 500 years before it wears out. losaltosonline.com/news/s…
Within the U.S. military, guns were most frequently associated with Army personnel suicides, hanging and knots for those in the Navy, while falling and heights were more common for those in the Air Force. blogs.scientificamerican.…

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