TIL that Earth’s atmosphere becomes so thin at about 160 km above sea level that sound waves can no longer be transmitted. It is therefore silent at altitudes higher than this region, which is called the “anacoustic zone.”
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Submitted September 10, 2021 at 11:24AM by CactusAvenger
via reddit https://ift.tt/3hkc1yP
https://ift.tt/3z4tt05
Submitted September 10, 2021 at 11:24AM by CactusAvenger
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Wikipedia
Anacoustic zone
The anacoustic zone, also known as the zone of silence, is the region of the atmosphere of Earth above about 160 kilometers (99 mi) where the air density becomes so low that air molecules are not close enough to support transmission of sound waves within…
TIL the best way to transport a rhino is hung upside down from a helicopter.
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Submitted September 10, 2021 at 10:16AM by class-in-a-glass
via reddit https://ift.tt/3k0RJMG
https://ift.tt/38S2hY5
Submitted September 10, 2021 at 10:16AM by class-in-a-glass
via reddit https://ift.tt/3k0RJMG
BBC News
Upside-down rhino research wins Ig Nobel Prize - BBC News
Who knew? It's actually safer to move a tranquilised rhino by its ankles than on its side or chest.
TIL that after being denied permission to construct a new building on an empty lot, a LDN man applied for a permit for a tank. The council approved thinking it was a septic tank. The man bought a Russian T-34 tank as a gift for his son, parked it on the lot pointing the gun at the planning office.
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Submitted September 10, 2021 at 12:56PM by Grouchy_Shoe
via reddit https://ift.tt/3E5wf95
https://ift.tt/2VtAjP6
Submitted September 10, 2021 at 12:56PM by Grouchy_Shoe
via reddit https://ift.tt/3E5wf95
About London Laura - London and Beyond
Stompie the Tank in South London – About London Laura - London and Beyond
Are you ready for this? There is a military tank on a quiet residential street in south London. Yes, you read that correctly.
TIL For centuries, Kurdish villagers knew an ancient rock relief simply as "Naram-Sin", but didn't know who or what it represented. Later, archaeologists discovered it to be a depiction of Naram-Sin of Akkad, King of the Akkadian Empire (the world's first empire) who ruled over 4200 years ago!
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Submitted September 10, 2021 at 02:35PM by KurdishHeritage
via reddit https://ift.tt/3EfkEVk
https://ift.tt/3E8Kx9k
Submitted September 10, 2021 at 02:35PM by KurdishHeritage
via reddit https://ift.tt/3EfkEVk
reddit
TIL For centuries, Kurdish villagers knew an ancient rock relief...
Posted in r/todayilearned by u/KurdishHeritage • 430 points and 13 comments
TIL Not only are unripe (green) bananas edible, eating them Before They’re Ripe Comes With Surprising Benefits for Your Blood Sugar and Gut Health. Green bananas can help keep our blood sugar in check, maintain gut health, and curb excessive eating.
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Submitted September 10, 2021 at 12:25PM by grandlewis
via reddit https://ift.tt/3laZlvf
https://ift.tt/3z1OvfQ
Submitted September 10, 2021 at 12:25PM by grandlewis
via reddit https://ift.tt/3laZlvf
Woman's World
Eating Bananas Before They’re Ripe Comes With Surprising Benefits for Your Blood Sugar and Gut Health
When shopping for bananas, we tend to go for the ripe yellow ones. But read to find out the health benefits of eating unripe green bananas!
TIL Juana Maria was a native Californian woman whose tribe was massacred by fur hunters. The survivors, minus Maria, were taken off the island by missionaries. She remained there alone for 20 years before being taken to the mainland - where she died within 7 weeks from dysentary.
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Submitted September 10, 2021 at 02:29PM by jurble
via reddit https://ift.tt/3hkXNO1
https://ift.tt/3BQBeJ4
Submitted September 10, 2021 at 02:29PM by jurble
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Wikipedia
Juana Maria
Native American
Today I learned that the U.S government used its soldiers as 'guinea pigs' for atomic testing. The US conducted around 200 nuclear tests, with approximately 400,000 servicemen present during these tests, without knowledge of the dangers.
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Submitted September 10, 2021 at 12:23PM by Fbklwins
via reddit https://ift.tt/3BX8LRH
https://ift.tt/3C2VPdl
Submitted September 10, 2021 at 12:23PM by Fbklwins
via reddit https://ift.tt/3BX8LRH
reddit
Today I learned that the U.S government used its soldiers as...
Posted in r/todayilearned by u/Fbklwins • 359 points and 48 comments
TIL Birds rub their beak on rough surfaces for various reasons and one of the reasons is to strategically adjust bill shape to the current diet, as you don't get the same kind of fruit or prey throughout the year.
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Submitted September 10, 2021 at 01:28PM by ketanpande
via reddit https://ift.tt/3hjvWOy
https://ift.tt/34KaeKz
Submitted September 10, 2021 at 01:28PM by ketanpande
via reddit https://ift.tt/3hjvWOy
Audubon
Here’s Why Birds Rub Their Beaks on Stuff
There’s more to this behavior than meets the eye. Some of it meets the nose.
TIL that, after learning that one of his students had lost both parents to cancer in rapid succession, the dean of Haverford College offered that student a full scholarship. The student was Howard Lutnick, who would go on to make a fortune on Wall Street and donate $65 million to Haverford.
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Submitted September 10, 2021 at 05:58PM by WingedBadger
via reddit https://ift.tt/3BWqHft
https://ift.tt/3tDkMJd
Submitted September 10, 2021 at 05:58PM by WingedBadger
via reddit https://ift.tt/3BWqHft
Wikipedia
Howard Lutnick
American businessman
TIL when Jim Henson died, Disney Imagineers sent a drawing of Mickey Mouse consoling Kermit the Frog to his mourning company.
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Submitted September 10, 2021 at 07:14PM by The-Great-Shapeshift
via reddit https://ift.tt/3hgRQSr
https://ift.tt/3ldnUrp
Submitted September 10, 2021 at 07:14PM by The-Great-Shapeshift
via reddit https://ift.tt/3hgRQSr
History By Zim
Mickey Consoling Kermit, 1990
After Jim Henson’s sudden death on May 16, 1990, people across the world remembered “The Muppets” creator with tributes and honors. One of the most touching is an illustration by …
TIL of the Germanwings Flight 9525 crash, where the co-pilot deliberately crashed the plane into a mountainside after locking the captain out of the cockpit. The co-pilot had hidden the fact his doctor had been treating him for suicidal tendencies and declared him "unfit to work". 150 people died.
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Submitted September 10, 2021 at 06:54PM by Bigred2989-
via reddit https://ift.tt/3l5SenS
https://ift.tt/3E8AG3h
Submitted September 10, 2021 at 06:54PM by Bigred2989-
via reddit https://ift.tt/3l5SenS
Wikipedia
Germanwings Flight 9525
Deliberate crash of an Airbus A320 in the French Alps on March 24, 2015
TIL the most powerful commercial radio station ever was WLW (700KHz AM), which during certain times in the 1930s broadcasted 500kW radiated power. At night, it covered half the globe. Neighbors within the vicinity of the transmitter heard the audio in their pots, pans, and mattresses.
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Submitted September 10, 2021 at 11:01PM by PlatinumAero
via reddit https://ift.tt/2YLONLD
https://ift.tt/3hmZWZI
Submitted September 10, 2021 at 11:01PM by PlatinumAero
via reddit https://ift.tt/2YLONLD
Wikipedia
WLW
clear-channel news/talk radio station in Cincinnati
TIL that the Concorde airplane flew so fast, if you left London (or Paris) in the evening flying west towards New York, to the passengers in the plane, the sun would actually appear to begin rising again shortly after reaching cruising speed. The plane flew faster than the Earth's rotation.
https://ift.tt/3fJi3qk
Submitted September 10, 2021 at 11:00PM by PlatinumAero
via reddit https://ift.tt/3yX2nIh
https://ift.tt/3fJi3qk
Submitted September 10, 2021 at 11:00PM by PlatinumAero
via reddit https://ift.tt/3yX2nIh
heritage-concorde
Concorde Fleet breakdown
A breakdown of the Concorde fleet
TIL that there is an FAA regulation called the 'Sterile Cockpit Rule', requiring flight crews to abstain from discussing anything other than topics pertinent to the aircraft and the flight below 10,000 feet.
https://ift.tt/38UYBEO
Submitted September 10, 2021 at 11:03PM by PlatinumAero
via reddit https://ift.tt/3E4PkZ7
https://ift.tt/38UYBEO
Submitted September 10, 2021 at 11:03PM by PlatinumAero
via reddit https://ift.tt/3E4PkZ7
Wikipedia
Sterile flight deck rule
rule that allows only essential business in the cockpit during critical flight operations
TIL the blue liquid at the bottom of a porta potty was originally made with formaldehyde in order to deal with the smell. Nowadays more and more manufacturers are using enzymes and microbes that feed on odor-causing bacteria.
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Submitted September 10, 2021 at 09:38PM by Stompy818
via reddit https://ift.tt/3k0tDBD
https://ift.tt/2X9a8xy
Submitted September 10, 2021 at 09:38PM by Stompy818
via reddit https://ift.tt/3k0tDBD
Honey Bucket
Feeling Blue: What is That Blue Liquid in a Porta Potty Anyway? | Blog | Honey Bucket
If you have ever dared to peek inside a portable restroom you may have noticed a blue liquid in the bottom of the tank. This is a really powerful deodorizer with disinfectant properties meant to help combat the smells that are produced in a portable restroom.
TIL That the reason square dancing was taught in American schools is that Henry Ford thought that jazz music was a Jewish conspiracy that had to be countered
https://ift.tt/3EhjCrZ
Submitted September 11, 2021 at 01:33AM by DatedCabbage
via reddit https://ift.tt/3l748xO
https://ift.tt/3EhjCrZ
Submitted September 11, 2021 at 01:33AM by DatedCabbage
via reddit https://ift.tt/3l748xO
www.jstor.org
The Anti-Semitic Origins of Henry Ford's Arts Education Patronage on JSTOR
Emery C. Warnock, The Anti-Semitic Origins of Henry Ford's Arts Education Patronage, Journal of Historical Research in Music Education, Vol. 30, No. 2 (Apr., 2009), pp. 79-102
TIL that after the filming of "2001 a Space Odyssey", director Stanley Kubrick destroyed nearly all of the film's props so that they wouldn't be used for "lesser" science-fiction films in the future.
https://ift.tt/3txz51N
Submitted September 11, 2021 at 02:39AM by WhiteComet99
via reddit https://ift.tt/3A6ORmT
https://ift.tt/3txz51N
Submitted September 11, 2021 at 02:39AM by WhiteComet99
via reddit https://ift.tt/3A6ORmT
Far Out Magazine
Why Stanley Kubrick destroyed all the props from '2001'
American auteur Stanley Kubrick is undoubtedly one of the most influential figures in 20th century cinema and the creator of 2001: A Space Odyssey.
TIL Billy Idol was lined up to play the T-1000 in Terminator 2, but injured himself in a motorbike accident, and could no longer endure the physical demands of the role, so Robert Patrick was cast instead.
https://ift.tt/3A4f9X0
Submitted September 11, 2021 at 03:45AM by redleaderthisisgold
via reddit https://ift.tt/3C1pG5P
https://ift.tt/3A4f9X0
Submitted September 11, 2021 at 03:45AM by redleaderthisisgold
via reddit https://ift.tt/3C1pG5P
CINEMABLEND
Why Billy Idol Didn't End Up Playing Terminator 2's Main Villain
Billy Idol was originally intended to play the T-1000 in Terminator 2: Judgement Day, but here's the reason why Robert Patrick ended up as the villain instead.
TIL that in 2018 Bob Costas was removed from his spot on the Super Bowl and fired from NBC for submitting a monologue that discussed the dangers of concussions during the Super Bowl.
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Submitted September 11, 2021 at 04:48AM by Th3Unkn0wnn
via reddit https://ift.tt/3k12374
https://ift.tt/3E6h3c2
Submitted September 11, 2021 at 04:48AM by Th3Unkn0wnn
via reddit https://ift.tt/3k12374
ESPN.com
Bob Costas, unplugged: From NBC and broadcast icon to dropped from the Super Bowl
Conversations with Bob Costas reveal for the first time how the broadcasting icon went from fronting America's most popular sport to being excised from last year's Super Bowl and, ultimately, ending his nearly 40-year career with NBC.
TIL that during the making of the Star Wars prequel films, Hayden Christensen had to be told be George Lucas to stop making lightsaber noises as they were filming battles.
https://ift.tt/3k2xwG9
Submitted September 11, 2021 at 04:27AM by WhiteComet99
via reddit https://ift.tt/3BZYWT3
https://ift.tt/3k2xwG9
Submitted September 11, 2021 at 04:27AM by WhiteComet99
via reddit https://ift.tt/3BZYWT3
CINEMABLEND
The Delightful Reason Hayden Christiansen Had Trouble Filming Star Wars' Lightsaber Battles
In the Star Wars prequel trilogy, Hayden Christian played a troubled boy who became one of the greatest villains in the galaxy. However, for the actor, making Star Wars was a lot more fun. He seems to have really enjoyed it, possibly too much.
TIL firefighters in NYC carried PASS alarms with them. They can emit a 90 decibel chirp either manually, or will turn on automatically if the sensors don't detect movement for 30 seconds. In much 9/11 footage, the multiple chirps in the aftermath of the collapses were PASS alarms.
https://ift.tt/3ldcLHg
Submitted September 11, 2021 at 08:52AM by kevlarbuns
via reddit https://ift.tt/3hmqDOj
https://ift.tt/3ldcLHg
Submitted September 11, 2021 at 08:52AM by kevlarbuns
via reddit https://ift.tt/3hmqDOj
JEMS
EMS Providers Recall 9/11 - JEMS
There was no way to fully plan for what happened on Sept. 11, 2001 because no one could ever have expected the massive loss of life and destruction that occurred simultaneously in New York City, Arlington, Va., and Shanksville, Pa. “It was the unexpected…