The formal clothing of the Roman Citizen was the Toga. During Roman elections, those running for political office would rub their Toga with a dazzling white chalk to stand out. Called Toga Candida (pure-white) this clothing was the origin of the word "candidate". ancient.eu/article/48/the…
Today I learned of the Uffington White Horse, a three thousand year old pictogram made of chalk. The horse is thought to be the oldest hill figure in England and requires regular cleaning and maintenance, a custom that has been occurring since it was constructed. en.wikipedia.org/wiki/Uff…
In 2013, San Diego's City Attorney prosecuted a man for writing anti-bank messages in washable chalk on a public sidewalk. He faced 13 counts of vandalism and thousands of dollars in restitution. The jury acquitted him of all charges. sandiegoreader.com/weblog…
. Chalk outlines were drawn by the police for press photographers, not for investigative purposes. It allowed the press to take a picture and represent the scene without the gruesomeness of a body. en.wikipedia.org/wiki/Cha…
Bathroom's graffiti is called 'Latrinalia' which some places have actually attempted to curb such method by setting up in the lavatory big blackboards as well as offering free chalk. en.wikipedia.org/wiki/Lat…
In the 19th century, profit-maximizing recipe used by milk producers was a pint of lukewarm water for every quart of milkβ€”after the cream was skimmed; To whiten the bluish liquid they added chalk and to replace skimmed-off layer of cream, they might add a final flourish of pureed calf brains theatlantic.com/magazine/…
The term β€œmark” originated from the carnival. When dishonest game operators found someone they could entice to keep playing their rigged game, they would "mark" the player by patting their back with a hand that had chalk on it. Other carnies would then keep an eye out for rubes with chalk marks. en.wikipedia.org/wiki/Tra…
Hagoromo Bungu, a Japanese chalk and office supply company is famous among mathematicians for their product, Hagoromo Fulltouch Chalk, referred to as the Rolls-Royce of Chalk. en.wikipedia.org/wiki/Hag…
Binney, working with his wife, Alice Stead Binney, who coined the name Crayola by combining the French word for chalk, craie, with the first part of oleaginous, the oily paraffin wax used to make the crayon. en.wikipedia.org/wiki/Cra…
A Marking Harness, a sponge of chalk or crayon worn on a Ram's chest, is used to tell which sheep a ram has mounted. (Some sheep end up looking polka dotted.) sheepcanada.com/what-a-ma…
During WW2, a 360 ft long prehistoric chalk horse figure on a hill in Britain, was covered over with turf and hedge trimmings so that German pilots could not use it for navigation during bombing raids. en.wikipedia.org/wiki/Uff…
Today I learned about the first cartoon ever made. "Humorous Phases of Funny Faces" was released on April 6, 1906 by J. Stuart Blackton. The film features chalk drawings that move and change. loc.gov/item/00694006/
Henry Ford once balked at paying $10,000 to General Electric for work done troubleshooting a generator, and asked for an itemized bill. The engineer who performed the work, Charles Steinmetz, sent this: "Making chalk mark on generator, $1. Knowing where to make mark, $9,999." Ford paid the bill. smithsonianmag.com/histor…
Applying chalk to a billiard cue increases the amount of friction between the ball and the cue, preventing the tip slipping from the ball during a strike. It is also not made of chalk, but a substance called corundum (aluminum oxide and silica). legacybilliards.com/blog/…
Thomas Paine narrowly avoided the guillotine due to a severe fever. When a man came to chalk an X in the cell's door to mark the prisoner, the man marked the inside of the door since it was open to aid Paine's fever. When the door was later closed, no mark could be seen outside the cell. rebeccaromney.com/2012/11…
Vellum (Parchment) is an animal product produced through a process of cleaning, stretching, and scraping. The process is finalized by using pumice and chalk to create a finish that will accept ink. en.wikipedia.org/wiki/Vel…
The Union Pacific "Big Boy" locomotive got that name because someone scribbled it in chalk in front of one of the locomotives as it was being built. The engine's original rumored name? "Wasatch" en.wikipedia.org/wiki/Uni…
After 9/11, a commuter train station in New Jersey made chalk marks on the tires of unclaimed cars in the station parking lot to help identify the missing en.wikipedia.org/wiki/Sum…
Common chalk is made from the micro skeletal remains of trillions of microscopic plankton which died approximately 145mn years ago. geology.com/rocks/chalk.s…
Sheep breeders put chalk on the male sheep, which leaves a chalk mark on the females it's mated with to monitor reproduction. critters360.com/index.php…
In 2001, IBM paid street artists to tag various spots around San Francisco as part of an ad campaign. Artists were supposed to use a bio-degradable chalk that would wash off easily, but used spray-paint instead. IBM denied involvement at first, but later had to pay the city $100,000 articles.latimes.com/2001…
Microfossils have convicted killers. Evidence which convicted Ian Huntley (2002) was the identification of the same microfossil species found in chalk on his boots and the trail where the victims were dumped. Pollen also matched the victims clothes to his garden. nhm.ac.uk/natureplus/blog…
During WWII, access to beauty products were in short supply, so the woman adopted the slogan "beauty is duty" and used more abundant ingredients such as beetroot, boot polish, chalk, and margarine. myhoustondaily.com/beauty…
When the Cannel Tunnel was built the British used the excavated chalk to create a little bit of artificial land which is now a park. en.wikipedia.org/wiki/Sam…
In the late 1800s and early 1900s hobos used symbols written with coal or chalk to share messages with fellow travelers. homelessfriend.org/2015/0…
In 1830 students at Yale revolted over the introduction of chalk boards mentalfloss.com/article/6…
Benchmarking originated from Frederick Taylor at the start of the twentieth century. He identified excellent performers by putting a chalk mark on their benches. oreilly.com/library/view/…
Crayola means 'oily chalk', from the words 'craie' (French for 'chalk') and 'ola' for 'oleaginous' or 'oily' en.wikipedia.org/wiki/Cra…
Today I Learned Alain Robert is a French climber. Known as "the French Spider-Man" he is famous for his free solo climbing, scaling skyscrapers using no climbing equipment except for a small bag of chalk and a pair of climbing shoes. Www.wikipedia.org/wiki/Al…
In 1998 a 19 year old student at MIT jumped from a 15th story building and died. Before he did so he wrote Newton's equation for how an object accelerates as it falls on a chalk board, along with a sketch of a stick figure tossing a chair en.wikipedia.org/wiki/Phi…
Picasso made over 400 portraits of his second wife, more than any of his other lovers. They met at a pottery when she was 26 years old and he was 72. He romanced her by drawing a dove on her house in chalk and bringing her one rose a day until she agreed to date him six months later en.wikipedia.org/wiki/Jac…
There is a disorder named Pica, which is often caused by iron or other mineral deficiencies. The person suffering from it craves for things which have no nutritional value such as paper, clay, metal, chalk, soil, glass, or sand. en.wikipedia.org/wiki/Pic…
Uffington White Horse was created 3,000 years ago by Bronze Age man using deep trenches filled with crushed chalk. It is now listed as a Scheduled Ancient Monument. en.wikipedia.org/wiki/Uff…
Chalk sticks are not made with actual chalk, but with gypsum todayifoundout.com/index.…
The word "candidate" comes from the Latin term "Toga Candida" - a ceremonial robe that had been rubbed with chalk until it reached a dazzling white hue and was worn by adult Roman men seeking public office. en.wikipedia.org/wiki/Tog…
There are 15km of tunnels dug into chalk, under CheΕ‚m, Poland. These tunnels were dug right from the cellers of peoples homes, they eventually met up with other tunnels creating a vast network. en.wikipedia.org/wiki/Che…
Burglars in some areas draw chalk symbols on potential target houses to represent information such as 'has an alarm' and 'nothing worth stealing' mirror.co.uk/news/uk-news…
There are almost 100,000 people in Utah who celebrate the Hare Krishna movement every spring by having a giant colored chalk fight. tabulaa.com/p/rM363rG4Sy9
Women in the 19th century used lead as a makeup foundation to whiten their skin-tone and would eat chalk and drink iodine to achieve a lighter tone. en.wikipedia.org/wiki/Fou…
Canada had it's own Nuclear accidents at Chalk River, Ontario in 1952 and 58. Jimmy Carter helped clean up after the first disaster. nuclear-energy.net/nuclea…
Crayola means "oily chalk" crayola.com/faq/your-hist…
Kevin G (Rajiv Surendra) from Mean Girls is a respected chalk artist architecturaldigest.com/s…
Chalk outlines were drawn by police for press photographs and not for investigative purposes. en.wikipedia.org/wiki/Cha…
Ordinary Chalk Repels Ants homeguides.sfgate.com/kin…
Police don't actually use chalk outlines to mark the position of a body as it would contaminate the crime scene. Some police officers, though, have been brainwashed by TV shows into thinking they are actually supposed to outline bodies. woot.com/blog/post/the-de…
Cops chalk your tires to see how long you've parked in a space, and it can be a class B felony if you remove it. freekeene.com/2013/02/08/…
:Edwin Binney, working with his wife, Alice Stead Binney, came up with their famous Crayola brand of crayons. Alice came up with the name Crayola by combining the French word for chalk, craie, with the first part of oleaginous, the oily paraffin wax used to make the crayon. en.wikipedia.org/wiki/Cra…
Near the end of Miami Vice's first episode in 1984, the villain escapes from Crocket & Tubbs on a seaplane. 21 years later, that same seaplane (as Chalk's Ocean Airways Flight 101) plummeted into the ocean by Miami Beach after its wing fell off, killing all 20 passengers and crew. en.wikipedia.org/wiki/Cha…
Contouring started with stage actors in 16th century Elizabethan England who would apply chalk and soot to their faces to help audience members read their facial expressions. en.wikipedia.org/wiki/Con…
The Canada's Northwest Territories Legislative Building literally has a bear skin in the middle of the room with what appears to be a black chalk-line around it en.wikipedia.org/wiki/Nor…

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