TIL in 1824, a French physicist unknowingly initiated the science of "thermodynamics" outlining the second law and developing the notion of a "reversible process" in nature, when he wrote a book about how to maximize the efficiency of steam engines, at the age of 27
https://ift.tt/3aRN6zJ
Submitted February 25, 2021 at 07:45AM by johnnycross
via reddit https://ift.tt/3ssHMci
https://ift.tt/3aRN6zJ
Submitted February 25, 2021 at 07:45AM by johnnycross
via reddit https://ift.tt/3ssHMci
Wikipedia
Nicolas Léonard Sadi Carnot
French physicist, the "father of thermodynamics" (1796–1832)
TIL about the six degrees of separation. It is the idea that all people on average are six social connections away from each other. As a result, a chain of a friend of a friend statement can be made to connect any two people in a maximum of six steps. It is also known as the six handshakes
https://ift.tt/1cIGyih
Submitted February 25, 2021 at 01:46PM by 99_light
via reddit https://ift.tt/3urs6YB
https://ift.tt/1cIGyih
Submitted February 25, 2021 at 01:46PM by 99_light
via reddit https://ift.tt/3urs6YB
Wikipedia
Six degrees of separation
theory of inter-connectedness of all people
TIL: The huge underground secret bunker located at Mt. Weather, VA, intended to house the Government in case of a nuclear war, was disclosed to the public when TWA Flight 514 slammed into the mountain close to the entrance of the base in 1974.
https://ift.tt/1pBDRJ1
Submitted February 25, 2021 at 01:01PM by hoosyourdaddyo
via reddit https://ift.tt/2Pap9vg
https://ift.tt/1pBDRJ1
Submitted February 25, 2021 at 01:01PM by hoosyourdaddyo
via reddit https://ift.tt/2Pap9vg
Wikipedia
Mount Weather Emergency Operations Center
civilian command facility for the Federal Emergency Management Agency
TIL That excessive caffeine ingestion leads to symptoms that overlap with those of many psychiatric disorders. In psychiatric in-patients, caffeine has been found to increase anxiety, hostility and psychotic symptoms.
https://ift.tt/3km5dRq
Submitted February 25, 2021 at 03:22PM by DystopianAdvocate
via reddit https://ift.tt/3bCeiBU
https://ift.tt/3km5dRq
Submitted February 25, 2021 at 03:22PM by DystopianAdvocate
via reddit https://ift.tt/3bCeiBU
Cambridge Core
Neuropsychiatric effects of caffeine | Advances in Psychiatric Treatment | Cambridge Core
Neuropsychiatric effects of caffeine - Volume 11 Issue 6
TIL about the Crypt of Civilization, one of the first modern time capsules, sealed in 1940 in Georgia. Modeled after the Egyptian tombs of the pharaohs, it will be opened in 8113 AD.
https://ift.tt/202acXE
Submitted February 25, 2021 at 03:33PM by Ganesha811
via reddit https://ift.tt/3soHMKc
https://ift.tt/202acXE
Submitted February 25, 2021 at 03:33PM by Ganesha811
via reddit https://ift.tt/3soHMKc
Wikipedia
Crypt of Civilization
Time capsule in Georgia, United States
TIL: Firefighters use wetting agents to make water wetter. The chemicals reduce the surface tension of plain water so it’s easier to spread and soak into objects, which is why it’s known as “wet water.”
https://ift.tt/2NsQvH0
Submitted February 25, 2021 at 06:56PM by SirHermiOdle
via reddit https://ift.tt/2P1kXxF
https://ift.tt/2NsQvH0
Submitted February 25, 2021 at 06:56PM by SirHermiOdle
via reddit https://ift.tt/2P1kXxF
International Fire Protection
Firefighting Foam – Making Water Wetter
As a largely misunderstood firefighting tactic, the use of foam has at times been confusing to the fire service. The result is that many municipal brigades/departments have just avoided the use of …
TIL in 2004 a Taiwanese woman died of alcohol intoxication after immersion for twelve hours in a bathtub filled with 40% ethanol. Her blood alcohol content was 1.35%. It was believed that she had immersed herself as a response to the SARS epidemic.
https://ift.tt/3kmtg2G
Submitted February 25, 2021 at 06:07PM by LurkmasterGeneral
via reddit https://ift.tt/3aR6OeW
https://ift.tt/3kmtg2G
Submitted February 25, 2021 at 06:07PM by LurkmasterGeneral
via reddit https://ift.tt/3aR6OeW
Wikipedia
Blood alcohol content
metric of alcohol intoxication
TIL on the set of Blade: Trinity, Jessica Biel was supposed to fire an arrow directly at the camera, so the camera was surrounded by Plexiglass except for a 2" x 2" square in front of the camera lens. Biel managed to shoot the arrow through the hole and destroy the $300,000 camera.
https://youtu.be/VApoQKeCcVk
Submitted February 25, 2021 at 08:43PM by Joe_Shroe
via reddit https://ift.tt/3aU7Gja
https://youtu.be/VApoQKeCcVk
Submitted February 25, 2021 at 08:43PM by Joe_Shroe
via reddit https://ift.tt/3aU7Gja
YouTube
Jessica Biel destroyed a $300,000 camera by shooting it with an arrow on the set of Blade: Trinity
Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube.
TIL that when Truman told Stalin about the Manhattan project in July of 1945, Stalin displayed little reaction, since Stalin had known about the project for almost 4 years before Truman, and he arguably knew more about it than Truman himself did.
https://ift.tt/1Z4oW6p
Submitted February 25, 2021 at 09:32PM by MegaZeroX7
via reddit https://ift.tt/2ZRJTtO
https://ift.tt/1Z4oW6p
Submitted February 25, 2021 at 09:32PM by MegaZeroX7
via reddit https://ift.tt/2ZRJTtO
TIL that in 1942, the Luftwaffe dropped three bombs on the church of Mosta, Malta. Two of them deflected without exploding, but one 500kg high explosive bomb pierced the dome and entered the church, where more than 300 people were awaiting evening mass. The bomb did not explode and was later defused
https://ift.tt/2AZ4zGO
Submitted February 25, 2021 at 08:14PM by famously_decent
via reddit https://ift.tt/3koUWE3
https://ift.tt/2AZ4zGO
Submitted February 25, 2021 at 08:14PM by famously_decent
via reddit https://ift.tt/3koUWE3
Wikipedia
Rotunda of Mosta
church in Mosta, Malta
TIL that in the early 1940s a Mexican scientist named Guillermo Gonzalez Camarena created a color television system some considered better than any American system at the time. His work made it possible in the 1970s for NASA to transmit color photos of Jupiter from the Voyager satellite.
https://ift.tt/3pZtyO5
Submitted February 25, 2021 at 10:26PM by chairsarec00l
via reddit https://ift.tt/3dNdz3u
https://ift.tt/3pZtyO5
Submitted February 25, 2021 at 10:26PM by chairsarec00l
via reddit https://ift.tt/3dNdz3u
Wikipedia
Color television
television transmission technology
TIL when Mr. Potato Head was first introduced, parents were expected to supply their own potato. Federal regulations made the pieces less sharp, so Hasbro was forced to include a plastic potato with pre-made holes.
https://ift.tt/1BnC8e4
Submitted February 26, 2021 at 12:08AM by PhilThecoloreds
via reddit https://ift.tt/2ZT91jY
https://ift.tt/1BnC8e4
Submitted February 26, 2021 at 12:08AM by PhilThecoloreds
via reddit https://ift.tt/2ZT91jY
Wikipedia
Mr. Potato Head
American toy
TIL Carl Stalling composed the music for many early Disney and classic Looney Tunes cartoon shorts, averaging one score a week during his 22 years at Warner Bros. The studio's 50-piece orchestra found Stalling's dynamic cartoon music far more challenging than the film scores they normally played.
https://ift.tt/3r8wRE0
Submitted February 26, 2021 at 01:50AM by MyPasswordIsMyCat
via reddit https://ift.tt/2NF5Nho
https://ift.tt/3r8wRE0
Submitted February 26, 2021 at 01:50AM by MyPasswordIsMyCat
via reddit https://ift.tt/2NF5Nho
Wikipedia
Carl W. Stalling
American composer and arranger (1891-1972)
TIL that McDonald's French fries were fried in beef tallow(beef fat) till 1990, when they were pressured to make their fries 'healthier' over cholesterol concerns and switched to vegetable oil.
https://ift.tt/3uyRoEc
Submitted February 26, 2021 at 03:02AM by LogicBomb69
via reddit https://ift.tt/3kx5tgM
https://ift.tt/3uyRoEc
Submitted February 26, 2021 at 03:02AM by LogicBomb69
via reddit https://ift.tt/3kx5tgM
Cheapism
Why McDonald's Fries Used to Taste Better
It's not your imagination: McDonald's french fries used to taste a whole lot better. The humble fry has been a huge draw for the company dating back to its origins. Find out how and why the multibillion-dollar fast food icon has changed the flavor of a beloved…
TIL only 14.5% of adult men are 6’0 and over, but comprise 58% of Fortune 500 CEOs. Only 3.9% are 6’2+, but comprise 30% of Fortune 500 CEOs.
https://ift.tt/3pXizVF
Submitted February 26, 2021 at 04:08AM by HoggsMagyar
via reddit https://ift.tt/3dN4g3B
https://ift.tt/3pXizVF
Submitted February 26, 2021 at 04:08AM by HoggsMagyar
via reddit https://ift.tt/3dN4g3B
The Economic Times
The necktie syndrome: Why CEOs tend to be significantly taller than the average male
I have always wondered why bankers, stock brokers, salesman, corporate executives, business school students, individuals appearing for job interviews and now even journalists wear a necktie, in the heat and humidity of India.
TIL the British Royal Navy has been instructed not to detain pirates of certain nationalities because the punishments for piracy in their home countries would make the pirates eligible for British asylum under British human rights legislation.
https://ift.tt/3aTQl9S
Submitted February 26, 2021 at 05:01AM by DenebVegaAltair
via reddit https://ift.tt/3aXsVk9
https://ift.tt/3aTQl9S
Submitted February 26, 2021 at 05:01AM by DenebVegaAltair
via reddit https://ift.tt/3aXsVk9
Wikipedia
Piracy
act of robbery or criminal violence at sea
TIL the world's current #1 female chess player treats chess as a hobby and is a Rhodes Scholar and a University professor at age 26.
https://ift.tt/3aTfMbA
Submitted February 26, 2021 at 08:08AM by Dream_Early
via reddit https://ift.tt/3qYlOxd
https://ift.tt/3aTfMbA
Submitted February 26, 2021 at 08:08AM by Dream_Early
via reddit https://ift.tt/3qYlOxd
Wikipedia
Hou Yifan
Hou Yifan (Chinese: 侯逸凡; pinyin: Hóu Yìfán pronunciation (help·info); born 27 February 1994) is a Chinese chess grandmaster and four-time Women's World Chess Champion. A chess prodigy, she is the youngest female player ever to qualify for the noscript of grandmaster…
TIL that Parrots aren’t the only birds that can talk (imitate human speech). Mynah birds, Crows and Ravens have been known to do so as well
https://ift.tt/3r12bok
Submitted February 26, 2021 at 02:33AM by Boydasaurus10
via reddit https://ift.tt/3pT4f0d
https://ift.tt/3r12bok
Submitted February 26, 2021 at 02:33AM by Boydasaurus10
via reddit https://ift.tt/3pT4f0d
Audubon
Why Do Parrots Talk?
And do they know what they’re saying?
TIL The Snow in the Blizzard of 1949 was So Hard and So Deep they Used Dynamite to Blast the Trains Free
https://ift.tt/2ZScmzO
Submitted February 26, 2021 at 03:06AM by JardinSurLeToit
via reddit https://ift.tt/3pV3gN9
https://ift.tt/2ZScmzO
Submitted February 26, 2021 at 03:06AM by JardinSurLeToit
via reddit https://ift.tt/3pV3gN9
Omaha.com
Freezing, hungry and trapped: 1949 blizzard left thousands stranded
All of Nebraska was suffering, except for the southeast corner of the state. Then-Gov. Val Peterson declared it the worst disaster in the state's history.
TIL that in the last 7 years craters started to appear in the Siberian Tundra, similar to the craters that form by cryovolcanism on the Saturn's moon Enceladus.
https://ift.tt/2ZTu7yI
Submitted February 26, 2021 at 02:13PM by sysmimas
via reddit https://ift.tt/3uyYnNk
https://ift.tt/2ZTu7yI
Submitted February 26, 2021 at 02:13PM by sysmimas
via reddit https://ift.tt/3uyYnNk
Science
Colossal crater found in Siberia. What made it?
The gaping hole is likely from an explosive combination of gas, ice, and mud—and the process might become more common as the climate changes.
TIL that Pygmies raised in a thick forest were unable to interpret distant objects. One thought that buffalo grazing in the distance were insects.
https://ift.tt/2ZPR85B
Submitted February 26, 2021 at 02:34AM by kimya_d
via reddit https://ift.tt/3pWmLEQ
https://ift.tt/2ZPR85B
Submitted February 26, 2021 at 02:34AM by kimya_d
via reddit https://ift.tt/3pWmLEQ
reddit
TIL that Pygmies raised in a thick forest were unable to interpret...
Posted in r/todayilearned by u/kimya_d • 821 points and 83 comments