Operation theatres are called theatres because they literally were theatres, built in a gallery style for public observation. Operations used to be advertised in newspapers It was not unknown for an operation to be cancelled because public demand was such that a larger theatre had to be found. dundee.ac.uk/museum/exhib…
On May 2nd 2019, an extremely high resolution image was made from 16 years of observations from the Hubble telescope. This image is the deepest view of the universe, containing roughly 265,000 galaxies and stretches through 13.3 billion years to just 500 million years after the big bang hubblesite.org/image/4492…
Astronomer Samuel Schwabe set himself about the task of discovering intra-mercurial planets. In 1843, after 17 years of observations, Schwabe failed to find a planet but discovered the cyclic increase and decrease with time of the average number of sunspot visible on the Sun www2.hao.ucar.edu/Educati…
NASA planned on sending a crew to do a flyby of Venus. They would launch on an altered Saturn V and use the third stage as a workshop once it was emptied of fuel. The crew would make direct observations of Venus, Mercury, and the Sun. en.wikipedia.org/wiki/Man…
Today I learned about the windshield phenomenon, the observation that since the early 2000s people often no longer have to clean a bunch of insects off the windshields of their cars after a long drive. It has been attributed to a global decline in insect populations because of human impact on their ecosystem. en.wikipedia.org/wiki/Win…
A Monkey Island is the highest level deck of a ship, used to make directional observations marineinsight.com/marine-…
Milkmaids were exposed to cowpox which gave them partial immunity to smallpox. The observation of them lacking the scarred pockmark complexion typically associated with smallpox survivors led to the development of the first vaccine. en.wikipedia.org/wiki/Mil…
Galileo was the first to confirm the Moon's rough and uneven surface using a specially-engineered telescope and the first to find sunspots. Both findings, in addition to his observation of Jupiter's moons revolving the planet, helped disprove Aristotle's theory of a geocentric universe. genius.substack.com/p/gen…
Jupiter's moon Amalthea is extremely irregular in shape and was the last moon in the solar system to be discovered through direct visual observation. It was discovered in 1892 by the American astronomer Edward Emerson Barnard from the Lick Observatory with a 36 inch refractory telescope solarviews.com/eng/amalth…
Arthur Conan Doyle loosely based Sherlock Holmes on Dr Joseph Bell, a Scottish surgeon who was known for his skills in observation. Dr Bell would often pick a stranger, and by observing him, deduce his occupation and recent activities. He was considered a pioneer in forensic science. en.wikipedia.org/wiki/Jos…
In 2008, NASA announced that Saturn's moon, Rhea, may have a tenuous ring system. This would mark the first discovery of rings around a moon. However, when Cassini made targeted observations of the putative ring plane from several angles, no evidence of ring material was found en.wikipedia.org/wiki/Rhe…
Today I learned about the "tourist guy" picture which became an internet phenomenon after the 9/11. The picture of a tourist on the observation deck was supposed to be taken right before the plane hits the tower. He later said he edited the photo as a joke for his friends. en.wikipedia.org/wiki/Tou…
β€˜The Drinking Man’s Diet’ was the 1960s ancestor to Atkins and paleo. It was based on the observation that alcoholics dranks thousands of calories per day and actually lost weight. It became one of the most popular diets of the decade, selling 2.4 million copies. The author lived 98 years. timeline.com/drinking-man…
Tycho Brahe, the famed Danish astronomer noted for the accuracy of his observations, had a pet elk who died after consuming too much beer and falling down the stairs. Brahe also lost part of his nose after a sword duel with his third cousin over which of them was the superior mathematician. en.wikipedia.org/wiki/Tyc…
The 1997 experiment at Fermilab which confirmed the existence of the tau neutrino was called DONUT (Direct observation of the nu tau) en.wikipedia.org/wiki/DON…
In 1973 a Concorde aircraft prototype performed the longest observation of a total solar eclipse (74 minutes) en.wikipedia.org/wiki/Sol…
The first person to actually look at Saturn in a telescope was Galileo. He saw a strange oval-shaped planet. He thought the planet might have ears, or two small balls on either side. Later observations showed that these were actually Saturn’s grand ring system universetoday.com/46237/w…
In 1610 Galileo used a telescope to discover that Venus goes through phases similar to the Moon, a revolutionary observation that β€œultimately helped to deliver a deathblow to the long-held concept of an Earth-centered universe.” space.com/news/examining-…
Today I learned of the β€˜Mass-Observation Diarists’ who were hundreds of volunteers in the U.K. during WWII who made regular diary entries. They wrote about the intimate details of their lives as well as their thoughts and feelings about the world around them. The result was an intimate portrait of British life. time.com/5764204/wwii-hom…
Sir George Everest actually protested Mount Everest being named after him. He never saw the mountain himself, only hired the man who made the first formal observations of the mountain. alansfactoryoutlet.com/th…
Today I learned about the "Axis of evil" | Observations of the cosmic microwave background radiation have observed several anomalies that seem to put our solar system as the "center", specifically in that our "top half" of the CMB is slightly cooler than the "bottom half". This is as of yet unexplained. en.wikipedia.org/wiki/Axi…
: There is high similarity in the execution of kiss-feeding and human kisses (e.g. French kiss). Observations across various species and cultures confirms that the act of kissing and premastication have most likely evolved from the similar relationship-based feeding behaviours. en.wikipedia.org/wiki/Pre…
The St. Louis Gateway Arch Has a Tram to the Top and an Observation Deck youtu.be/j3BIBGDP3Lw
Toronto's CN Tower has a "Skypod", one of the highest observation platforms in the world at 447m. It is 33 additional storeys higher than the LookOut Level and visibility is up to 160 km (100 miles) away to Niagara Falls and New York State cntower.ca/en-ca/plan-you…
Supernova Stars observations have been used to derive a mean rate of supernova per century. The total Galactic Supernova rate is found to be 3 Β± 1 per century. youtu.be/6uCc29Blzc0
In 1995 Richard Stallman, a well-known critic of the patent system, testified in Patent Office hearings that, to test the system, a colleague of his had managed to win a patent for one of Kirchhoff's laws, an observation about electric current first made in 1845. groups.csail.mit.edu/mac/…
Fruit flies were the first animal launched into space because they are genetically similar to humans and the space station has an aquarium for observation of fish in space. discoverwildlife.com/anim…
The Burj Khalifa has two observation decks: on level 124 and 148, "At the Top Sky", which is the tallest in the world. The ticket prices are approximately $34 and $136 respectively thegate.boardingarea.com/…
The "God of the gaps" is a term used to describe observations of theological perspectives in which gaps in scientific knowledge are taken to be evidence or proof of God's existence. en.wikipedia.org/wiki/God…
Today I learned about "Bald–Hairy" a Russian political joke based on the observation that the nation's presidents consistently alternate hair types (ie Lenin was bald, Stalin had hair, Khruschev was bald, Brezhnev had hair.) en.wikipedia.org/wiki/Bal…
Today I learned of Operation Tracer, a WW2 plan to hide 6 men in a hidden observation post inside the rock of Gibraltar if the territory fell to the Axis powers. en.wikipedia.org/wiki/Ope…
Most of the time, magnifications for observations in astronomy are limited to 200x or less, regardless of aperture. This is because the Earth’s atmosphere distorts light as it passes through. The sharpest images will always be achieved at lower magnifications nimax-img.de/Produktdownl…
During WWI, London was protected by massive lengths of steel cables suspended from observation balloons to guard against air raids. These "balloon aprons" forced pilots to fly above their range or too low to avoid AA fire. mashable.com/2016/03/02/w…
The wife of L. Ron Hubbard consulted doctors who recommended he "be committed to a private sanatorium for psychiatric observation and treatment of a mental ailment known as paranoid schizophrenia." Thereafter, Hubbard criticised psychiatry as a "barbaric and corrupt profession". en.wikipedia.org/wiki/Sci…
Mayan calendars were more accurate than the calendars of the invading Spanish. This is because the Mayans didn't make the mistake that the Greeks did in thinking of the heavens as a groups of spheres moving in circles, but instead based their system on hundreds of years of observations. youtube.com/watch?v=eZoe6…
New reflective material possesses an interesting phenomenon: When white light shines on the film at night, some observers will see a single, stable color reflected back, while others will see changing colors. It all depends on the angle of observation and whether the light source is moving. phys.org/news/2019-08-ret…
The practice of touching/knocking on wood after making an positive observation about your life, to ward off bad luck or "jinxing" yourself, is spread across completely separate countries and cultures on every continent en.wikipedia.org/wiki/Kno…
Stu Roosa was afraid of heights but still became a jet pilot and Apollo astronaut. As command module pilot, Roosa did scientific observations from orbit, and prepared to swoop down in case trouble arose when Antares rose off the lunar surface space.com/20392-stuart-ro…
Fukuoka Tower has a triangular cross-section which is covered with 8000 half-mirrors, giving it the appearance of a skyscraper. There are three observation decks: one at 116 metres, a cafΓ©/lounge deck at 120 metres, and the highest at 123 metres above the ground en.wikipedia.org/wiki/Fuk…
There is a crater on the moon called Rabbi Levi Crater. It was named for a medieval rabbi who commented on the bible and performed astronomical observations en.wikipedia.org/wiki/Rab…
The television show β€œStar Trek” aired 22 years before the first evidence of an exoplanet, in 1988, (planet outside our solar system) and 26 years before the first confirmed observation of exoplanet. exoplanets.nasa.gov/news/…
While developing SMS, one of the developers argued that based on his personal observations and on analysis of the typical lengths of postcard and Telex messages, 160 characters was sufficient to express most messages succinctly. en.wikipedia.org/wiki/SMS…
Today I learned about Benito ViΓ±es, a Jesuit priest who established the first Atlantic hurricane warning service in the early 1870s. As director of the Meteorological Observatory of the Royal College of BelΓ©n, he created a network of observation sites to track clouds that progress well in advance of hurricanes. en.wikipedia.org/wiki/His…
The Empire State Building generates more revenue from the observation deck than all the commercial tenants in the remaining 101 floors combined. chicago.curbed.com/2016/6…
The Baghdad Tower was previously called International Saddam Tower. A revolving restaurant and observation deck are located on the top floor of the 205m tower en.wikipedia.org/wiki/Bag…
In 1985 Switzerland accidently bombed Liechtenstein during a drill. In 1992 they accidently 'invaded' their neighbor while setting up an observation post. In 2007 Swiss soldiers lost their way and crossed the border. A spokesman of Liechtenstein simply said "No problem, these things happen". news.com.au/travel/world-…
During WW2 the Allies discovered that the Germans were using the Leaning Tower of Pisa as an observation post. A U.S Army Sergeant that was sent to the tower to confirm the presence of German troops was impressed by its beauty and decided to not order an artillery strike on it. en.wikipedia.org/wiki/Lea…
Over 500 years ago, Leonardo da Vinci made an interesting observation about trees. He concluded that the total thickness of a tree’s branches is equal to the total thickness of the tree trunk. Trees across many species obey this rule. Explanations involve hydrological and structural theories. insidescience.org/news/un…
The skydeck of Willis Tower in Chicago is the highest observation deck in the US at a height of over 1300 ft. From the deck you can look at the plains of 4 states: Illinois (obviously) but also Indiana, Michigan and Wisconsin. en.wikipedia.org/wiki/Wil…
The Opportunity rover is still gathering scientific observations and reporting back to Earth after being on Mars for 12 years - nearly 50 times its designed lifespan en.wikipedia.org/wiki/Opp…

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