In one study that took place in front of an escalator and a parallel staircase, the placement of a motivational poster that promoted using the stairs, doubled the amount of stair use. After removal of the poster, the effect gradually decreased back to zero. en.wikipedia.org/wiki/Mot…
A Toronto man built a wooden staircase for safe entry to a park for $550 after he learned that the city-made staircase would cost $65K-150K. Although it was removed by city staffs due to safety concerns, the mayor called and thanked him for his effort, and a new stairway was built for $10K. thestar.com/news/gta/2017…
Today I learned that the Pope had his architect Bramante build an impressive spiral staircase at the Vatican covering for several floors, which was large enough for his carriage, pulled by horses, to go all the way up and drop him at the entrance of his rooms! romaexperience.com/best-s…
"Esprit d'escalier" (literally, staircase wit) is a French term used in English to denote the tendency to think of a witty reply when it is too late, for example when taking the stairs on leaving the scene of a confrontation. wordsmith.org/words/espri…
Today I learned of Thomassons, staircases to nowhere and other useless fixtures, named after low-achieving baseball player Gary Thomasson. en.wikipedia.org/wiki/Hyp…
Spiral staircases in medieval castles were deliberately made clockwise because it diminished the ability of attackers to properly swing their swords, since right-handed fighters would have had to to contend with the walls while making their striking motions. nerdist.com/theres-a-very…
Why the New York State Capitol building has a massive entrance staircase: the building was sliding down a hill, so the stairs were built to keep it propped up. en.wikipedia.org/wiki/New…
There exist Minkowski’s Question-mark Function, denoted by ?(x), and is also known as the slippery devil staircase. en.wikipedia.org/wiki/Min…
A grave in Natchez, Mississippi was constructed to have a staircase leading to the coffin so the young girl who lay in it could be comforted during thunderstorms dalejyoung.com/the-strang…
Today I learned about the Cooper vane, named after DB Cooper, which is a paddle fixed to the outside of aft staircases on Boeing 727-100s that must be removed from the outside of the plane prior to opening. history.howstuffworks.com…
When the Titanic was found in 1985, the famous Grand Staircase (appearing in many films of the sinking) was missing. During the filming of the 1997 movie, the replica was torn out by the water when the set was flooded; the real staircase was likely ripped out of the ship in the same way. en.wikipedia.org/wiki/Gra…
Until 1878, fire houses were equipped with spiral staircases so the fire horses would not try to climb the stairs into the living quarters. en.wikipedia.org/wiki/Fir…
In Super Mario 64 a Shepherd Tone (a noise composed of sine waves that gives the illusion of constantly ascending or descending in pitch) was used in the soundtrack for the 'endless staircase' "to provide an unsettling feeling" en.wikipedia.org/wiki/She…
The widow of the inventor of the Winchester rifle built a house with mazes and dead end staircases to confuse the ghosts of the people who were killed by her husbands rifles. en.wikipedia.org/wiki/Win…
The deterioration of a trademark into common usage (e.g. Escalator for motor staircase, Dumpster for large mobile trash vessel or Velcro for self-interlocking fabric) is called "genericide" and is considered undesirable because the trademark in question loses its enforceability en.wikipedia.org/wiki/Gen…
In 1911, Vincenzo Peruggia, wanting to bring the Mona Lisa back to Italy after β€œIt was stolen by Napoleon”, simply walked in the Louvre, lifted off the painting, took it to a nearby service staircase, removed the frame, put it under his smock, and simply walked out with it in plain sight. en.wikipedia.org/wiki/Vin…
Newel posts, the central support at the bottom of a common staircase or banister, often was capped off with the original plans of the home placed inside by the builder en.wikipedia.org/wiki/New…
The first 'moving staircase' or escalator was built in 1898 at a Harrods store in London. Riders found the escalator so nerve racking that an employee stood at the top offering brandy so they could recover from the ordeal. en.wikipedia.org/wiki/Har…
Medieval staircases were built counter-clockwise going down because they allowed defenders a greater range of movement if they wielded their swords with their right hands nerdist.com/theres-a-very…
The 1990 film β€œThe Handmaid’s Tale” was shot in Durham, NC and the commander’s house is the same house where the events in the docuseries β€œThe Staircase” take place. indyweek.com/indyweek/a-f…
The astronomer Tycho Brahe once had a pet moose. One day the moose climbed up a staircase and drank a barrel of ale, became very drunk, and fell down the stairs to its eventual death. nada.kth.se/~fred/tycho/n…
An impossible staircase was built inside a chapel in New Mexico in 1878 by what people thought was St. Joseph himself and it's still there today en.wikipedia.org/wiki/Lor…
Three 17th century Qing dynasty era vases valued at 500,000 pounds were shattered at a Cambridge museum when a visitor descending a staircase tripped on his shoelace and fell into them. fitzmuseum.cam.ac.uk/phar…
David Rudolph, star lawyer for Michael Peterson in hit show β€œThe Staircase”, was also the lawyer for Rae Carruth, football player found guilty of orchestrating murder of his girlfriend. nytimes.com/2001/01/23/su…
Medieval archer towers had spiral staircases so that in the event attackers made it inside, it would be difficult to fight upwards, but defenders could easily fight downwards if they were right handed. en.wikipedia.org/wiki/Med…
The iconic image of the Grand Staircase of the Titanic is actually that of the Olympic because no pictures were ever taken of the one on the Titanic. en.wikipedia.org/wiki/Gra…
Fire houses have spiral staircases because the horses that used to pull the fire wagons learned to walk up straight ones. weirdfacts.com/facts/3124…
Medieval Castle designed circular staircases for defense purposes: The stairs diminished the ability of attackers mounting an upward assault to properly swing their swords, since right-handed fighters would have had to to contend with the walls while making their striking motions. militaryarchitecture.com/…
Fleeing the Japanese in WWII Burma, a group of refugees spent two days carving a 270-foot staircase into a mountain so that they and 52 elephants could escape books.google.com/books?id…
L'esprit d'escalier ("staircase wit") is a French term used in English that describes the predicament of thinking of the perfect retort too late. en.wikipedia.org/wiki/L'e…
In 1674, skeletons of 2 children were discovered under the staircase leading to the chapel at the Tower of London. Believed to be the remains of the "Princes in the Tower", the skeletons were buried, on the orders of Charles II, in Westminster Abbey. en.wikipedia.org/wiki/Pri…
The good comeback you think of after an argument, but it's way too late, is called "L'esprit d'escalier" or "staircase wit". dictionary.reference.com/…
A barber took on 40 cops and survived, despite being shot in the head and a staircase falling on him. It was broadcasted live. en.wikipedia.org/wiki/Vid…
Spiral staircases in medieval times climbed clockwise in order to to place attacking swordsmen (who were most often right-handed) at a disadvantage en.wikipedia.org/wiki/Sta…
L'esprit de l'escalier describes 'staircase wit' or thinking of clever comeback too late to reply. en.wikipedia.org/wiki/L%2…
The White House has has a total of 132 rooms. This includes: 35 bathrooms, 412 doors, 147 windows, 28 fireplaces, 8 staircases, and 3 elevators. ibtimes.com/how-many-room…
Spiral staircases in medieval times wound in a clockwise direction (from the ascender's point of view) to place attacking swordsmen (who were most often right-handed) at a disadvantage en.wikipedia.org/wiki/Sta…
The French have a term for the perfect reply that you think of too late: l'esprit de l'escalier (or "staircase wit"). en.wikipedia.org/wiki/L%2…
The Chicago mansion of America's first serial killer, H.H. Holmes, had a secret multistory corpse chute so he could drop dead bodies into his dissection and cremation room in the basement. It also featured numerous hidden staircases and trapdoors for sneaking around and spying on guests. weburbanist.com/2008/10/1…
The drums by John Bonham in the 1970 Led Zeppelin song 'When The Levee Breaks' were recorded in a staircase at Headley Grange due to the unique acoustic characteristics. Two microphones were set up on the second story landing of the three story stairwell, and the drums were played at the bottom ledgernote.com/blog/scien…
There is a "lighthouse" in Laguna Beach named Pirate Tower, erected by a Los Angeles senator in 1926 to encase a spiral staircase leading from his cliffside home to the beach below. visitlagunabeach.com/blog…
Yang Wu, a Chongqing martial arts champion, used nunchakus to make a staircase to his 10-meter high nail house and threatened to beat any authorities who attempted to evict him. en.wikipedia.org/wiki/Hol…
There is a French expression, "l'esprit de l'escalier" or staircase wit, for thinking of a good comeback after you've left the room while your walking down the stairs. visualthesaurus.com/cm/wo…
Lake Bled located in the Slovenian Alps features an endlessly romantic island with a 99 stone-step staircase that show the way to a Church, where young couples from throughout the World hold their weddings yugotimes.com/lake-bled-a…
A slinky will go down a staircase at a constant rate of 0.8 seconds/step, no matter the size of the stairs. www2.eng.cam.ac.uk/~hemh/…
L'esprit de l'escalier is French for "Staircase wit," meaning to think of the perfect comeback too late to use it. en.wikipedia.org/wiki/L'e…
The fireplace, staircase and many other fittings from the Titanic's sister ship Olympic ended up in a function room in a hotel in northern England. These furnishings were "substantially identical" between the two ships. en.wikipedia.org/wiki/Whi…
The verb "escalate" is only 93 years old, and it did not become regularly used until the 60s to describe the elevating possibility of nuclear war. It is actually derived, or back-formed, from "Escalator," the official term for the moving staircase. dictionary.reference.com/…
The White House has 35 different bathrooms, 28 fireplaces, and 8 staircases! quirkytravelguy.com/quirk…
In the Biltmore House in North Carolina there is a four-story, 1700-pound chandelier suspended from the middle of the grand staircase. It hangs from a single bolt that runs through steel girders under the dome roof. The bolt has been replaced only once since the house was built in 1895. bobvila.com/articles/the-…
Napster creator, Sean Parker, was fined $2.5mil after creating a movie-set like wedding site for his wedding at Big Sur in 2013 after he built a cottage, fake ruins, waterfalls, staircases and a huge dance floor without proper permits. ksbw.com/news/central-cal…
L'esprit de l'escalier, "staircase wit", is the act of thinking of a clever comeback when it is too late to deliver it

Here's the wiki.

Many thanks to Mecdmort for this find.

-Art John Singer Sargent was commissioned to paint President Teddy Roosevelt. They could not agree on a pose until an exasperated Roosevelt turned and confronted the artist at the bottom of a staircase. This was the pose that became the official portrait. npg.si.edu/exh/roosevelt/…
Today I learned about Shepard's paradox, the audio equivalent of the endless staircase illusion made famous by M. C. Escher. In this paradox a series of tones can be made to sound as if they are ascending or descending in pitch forever. noah.org/science/audio_pa…
Teddy Roosevelt, upon seeing the famed "Nude Descending a Staircase", said "here is in my bath-room a really good Navajo rug which, on any proper interpretation of the Cubist theory, is a far more satisfactory and decorative picture." blogs.artinfo.com/artinth…
Staircases were designed to go the same direction all the way around, ascending clockwise, to suit right-handed swordsmen for ease in hindering the attacker.

http://realestate.yahoo.com/promo/homes-with-amazing-staircases.html

I'm pretty sure they mean COUNTERclockwise, since that's the way the staircase they've featured is going and it would make more sense in aiding right-handed defenders while hindering invaders.

Mediveal Castles' spiral staircases would be constructed clockwise, advantaging right-handed defenders and disadvantaging right-handed attackers. medieval.stormthecastle.c…
Steve Jobs has patented a staircase google.com/patents/USD478…
A 19th-Century English mining industry tycoon built a secret underwater room in the middle of his private lake. The space is accessible by a spiral staircase leading down a hidden 400-foot subterranean tunnel running under the lake. weburbanist.com/2011/05/1…
Medieval castle staircases were made with uneven steps to trip attackers medieval.stormthecastle.c…
Makeup had to be used to cover up actual bruises a female character had in "A History of Violence", caused by a sex scene on a staircase. imdb.com/title/tt0399146/…
St.Louis' Pruitt Igoe housing project was initially praised for its architecture. Long galleries and staircases were designed for residents to mingle but turned into crime spots. It was demolished at the same time the architect's other design, the World Trade Center, went up. books.google.ca/books?id=…
Thousands took a route called the Chilkoot Pass (AKA The Golden Staircase) to the Klondike, a route which involved a 30-mile hike up a mountain all in search of their golden fortune. klondike-history.discover…
β€ŽEuropean castles had spiral staircases that ascended clockwise, so a right handed defender had a free swing of his sword whilst an attacker did not tinyurl.com/6y7hsgr
There is a wooden staircase in Norway with 4,444 steps called the Stairway to Heaven digitalnomad.nationalgeog…
Spiral staircases in medieval castles were designed to give an advantage to a right-handed defender. en.wikipedia.org/wiki/Med…
: Before fireman's poles were invented, firehouses were equipped with spiral staircases which prevented their horses from climbing the stairs to their living quarters. en.wikipedia.org/wiki/Fir…
The second emperor of Modern day India (who almost doubled the empire's size after returning from exile) died by tripping from his library's staircase. en.wikipedia.org/wiki/Hum…
A snake shadow appears on the side of the staircase on the equinoxes at El Castillo in Chichen Itza m.youtube.com/watch?v=vQs…
Spiral staircases are helixes, not spirals. en.wikipedia.org/wiki/Sta…
The glass staircase in the Apple store is patented by Steve Jobs nytimes.com/interactive/2…

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