Thomas Young proved that light is a wave, described elasticity, capillary action, explained how our eyes focus and see color, compared the grammar and vocabulary of 400 languages, deciphered hieroglyphs and contributed to music theory. He is called "The Last Man Who Knew Everything". en.wikipedia.org/wiki/Tho…
Although red, yellow and green LED lights have been widely available since the 1960s, blue and white LEDs did not exist until the 1990s. The people who invented the blue LED won the Nobel prize for it in 2014, as it finally allowed for them to display the full color spectrum with LEDs. physicsworld.com/a/my-fav…
, if you were able to travel from the Earth to a distance of 8.3 BILLION Light Years, you would cross the Cosmic Point of No Return, where you would NEVER be able to make it back to Earth, even if you somehow traveled the speed of light. youtube.com/watch?v=b_TkF…
If you ever got shrunk down to the size of an ant, not only would everything look bigger to you, but the world would also appear almost a million times darker, light would no longer appear straight meaning that the world around you would be covered in a haze of blurriness and shadow askamathematician.com/201…
The early versions of the Easy-Bake Oven, a child's toy that allows children to bake small treats, used incandescent lightbulbs as their heat source. That's because these bulbs were so inefficient that only 5% of the electricity they used produced light. The rest produced heat. en.wikipedia.org/wiki/Eas…
Humans have developed injections containing nanoparticles which when administered into the eye convert infrared into visible light giving night vision for up to 10 weeks popularmechanics.com/mili…
The inventor of the Lava Light, an accountant, originally didn't envision his product associating with groovy psychedelic hippie culture. An ad for them in the straight-laced American Bar Association Journal pitched an "executive" desk version mounted on a walnut base beside a ballpoint pen. smithsonianmag.com/arts-c…
The light atop a Hollywood record company building has been quietly blinking-out messages in Morse code since first being turned-on in 1956 --by Morse's own granddaughter. (The default message is one word, but it once revealed an album release date: β€œKaty Perry. Prism. October 22, 2013.") atlasobscura.com/places/c…
Facial recognition software can be successfully fooled by wearing Juggalo face paint. It throws off the softwares light contrast and depth perception, causing it to misidentify the jawline and eye area. fastcompany.com/90373952/…
Sneezing from looking at the sun or a bright light is a reflex that affects 18–35% of the world's population. It is called the photic sneeze reflex and it is also known as ACHOO (Autosomal Compelling Helio-Ophthalmic Outburst) syndrome. en.wikipedia.org/wiki/Pho…
The Danish astronomer who demonstrated light has a speed, invented a precursor to the Fahrenheit scale, and invented the mercury thermometer... also ran the police force in Copenhagen and fired all the officers because morale was low. independent.co.uk/news/pe…
The Andromeda galaxy is the closest big galaxy to our Milky Way - located about 2.5 million light years from Earth. It is moving towards the Milky Way at a speed of 402,000 km/h. If nothing else happens, we expect a collision of two constellations in four billion years. needforscience.com/astron…
You don't get vitamin D from the sun. You make vitamin D from cholesterol in its inactive form. Inside your cells, this inactive form gets subjected to UV light which is provided by the sun and then gets activated. That's where the whole "vitamin D from the sun" idea comes from. webmd.com/drugs/2/drug-61…
Part of the Falklands Islands is littered with leftover landmines from the Falklands War. This stretch of beach has become home to hundreds of penguins as they are too light to trigger the mines when walking on them. bbc.com/news/magazine-398…
Due to Galileo's training in Renaissance art and an understanding of chiaroscuro (a technique for shading light and dark) he quickly understood that the moon shadows he was seeing were actually mountains and craters. From his sketches, he made estimates of their heights and depths loc.gov/collections/findi…
A French surgeon first started wearing blue scrubs during surgery in 1914 because he discovered it reduced eye strain for doctors working endless hours during WWI. "Ciel Blue" became standard once surgery was videotaped in the 1970s and white scrubs conflicted with the white lights. considerable.com/entertai…
The initial prints of the painting "Under the Wave off Kanagawa" (AKA The Great Wave) had a pink sky, however, due to light exposure damaging many of the prints, the pink has faded away artic.edu/articles/743/se…
In 1946 the US Army commissioned a documentary called " Let There be Light " intended to teach the public about PTSD and the treatment of the veterans with the mental disability, the film after it's release was banned in the US until the 1980s. en.wikipedia.org/wiki/Let…
The Mantis Shrimp has one of the best eyesights in the animal kingdom. It’s hexnocular vision is so powerful that it sees six images at once, sees in 12 colors, and can polarize its own light. Scientists are now modeling its capabilities to detect cancer and internal injuries in humans. youtu.be/Lm1ChtK9QDU
We enjoy things more when we think they're expensive. A study showed that pleasure centers in the brain light up more when people are tasting an expensive wine than when they are tasting a cheap wine. In this study, both 'cheap' and 'expensive' wines were the exact same wine. researchgate.net/publicat…
Starving men can sense the Earth's magnetic field when exposed to blue light. journals.plos.org/plosone…
Apollo 12 was hit by lightning twice within a minute of launch, knocking out the command module instruments, lighting up nearly every warning light on the control panel and garbling the telemetry to mission control. Earlier training simulating such a failure allowed them to restore power. en.wikipedia.org/wiki/Apo…
Moths don't like light at all! They use moonlight to navigate by night. By keeping the moon at a constant angle, they could ensure they traveled in a straight line. Unfortunately, they now confuse electric lights with the moon and try to navigate by them so they keep going around it, confused. theguardian.com/notesandq…
A light bulb in Livermore, California has burned continuously for over 117 years. Conspiracy theorists see it as a symbol of planned obsolescence, but its longevity can be attributed to its extremely inefficient design. urbo.com/content/the-ligh…
Humans are bioluminescent. Our visible light is 1000 times weaker than what our naked eye can detect. However, images of this glow have been captured by Masaki Kobayashi of Tohoku Institute of Technology, using a specialized sensitive camera. nationalgeographic.com/sc…
The observable universe has a diameter of ~93 billion light years (28 billion parsecs). The whole universe - if the universe is finite - is estimated to be at least 250 times larger, with one estimate reaching as high as 10^10^10^10^122 megaparsecs en.wikipedia.org/wiki/Uni…
A U of Quebec study of 320,000 patients with a history of alcoholism found that patients with high cannabis use had a better defense against liver disease than non-users. Non-pot users had a 90% chance of liver disease; light pot users had an 8% chance; heavy pot users had a 1.3% chance. vice.com/en_au/article/ne…
Some blind people can understand speech that is almost three times faster than the fastest speech sighted people can understand. Research suggests that a section of the brain that normally responds to light is re-mapped in blind people to process sound. scientificamerican.com/ar…
The Empty Sky 9/11 Memorial in Jersey City consists of two parallel stainless steel walls, each 210 feet long by 30 feet high, that not only remember the names of the 476 New Jersey victims but also illuminate a dramatic halo of light that touches each name at dusk and at dawn. segd.org/content/empty-sk…
The photons that light up the earth are not 8 min. 20 sec old but thousands of years old trapped inside the Sun and recently freed. futurism.com/photons-mill…
When electricity was first installed in the White House in 1891, President Benjamin Harrison and his wife were afraid of electrocution because of the new concept. They refused to touch light switches so the staff had to turn the lights on and off for them. energy.gov/articles/histo…
Today I learned about 'moral luck'. If two random drivers accidentally run a red light, but only one hits a person, we tend to think the latter is more guilty en.wikipedia.org/wiki/Mor…
In the early 1930s one of the measures enacted by Brazil to alleviate the economic impact from the great depression was "Quota do sacrifΓ­cio" [or Quota of Sacrifice] where the government ordered farmers to collect all coffee, pile it up and light it on fire. thecoffee.blog/all/histor…
Putting LED lights on float lines of 864 fishing gillnets reduced the bycatch of sea turtles by 74.4% & by 70.8% for dolphins, whales, & porpoises. The same amount of targeted fish were caught by both 864 lighted gillnets & 864 unlighted gillnets in a study of 3 ports in Peru from 2015 - 2018. in.mashable.com/science/9…
Queens Of The Stone Age were forcibly thrown out of rehab. They were hired to do a "light-hearted, intimate performance" but they opened their set with the drugs filled lyrics of their song Feel good hit of the summer: "Nicotine, valium, vicodin, marijuana, ecstasy and alcohol c-c-c-c-c-cocaine" nme.com/news/music/queens…
That, though sunlight takes only 8 minutes to reach from the Sun to our earth, a photon of light can take up to 100,000 years from the core of the Sun to get to the surface !!! abc.net.au/science/articl…
The Ivanpah Solar Power Facility's mirror arrays focus light into beams so powerful that they kill thousands of birds a year, setting them on fire in flight en.wikipedia.org/wiki/Iva…
"ball lightening" has no explanation despite being seen by 3% of people. Reports describe it as floating orbs of light that sometimes enter people's homes. wikipedia.org/w/index.php…
The colour that you see when your eyes are opened in a dark room has a name. It's called 'eigengrau', which means intrinsic gray. It's the shade of dark gray people see when there's no light. whatthemicroscopesaw.co.u…
Sugar can twist light, and has been used in calibrating instruments that detect the rotation of light. en.wikipedia.org/wiki/Pol…
At the British surrender at Yorktown in 1781, the British were marching facing the French army, ignoring the Americans. Marquis de Lafayette, commander of the American Light Infantry brigade, ordered his band to play Yankee Doodle, and the British troops instantly turned to face U.S. soldiers. allthingsliberty.com/2013…
The Aurora Borealis, also known as the Northern Lights are incredible light shows that caused by collisions between electrically charged particles and Earth’s atmosphere. They occur mostly in high altitudes near the poles. These events inspire stories from prehistoric times nineplanets.org/aurora-bo…
The mountains on the Coors Light can are an actual mountain range in the Colorado Rockies, Wilson Peak gazette.com/life/8-facts-…
Brown doesn't exist as a colour and brown light is physically impossible. youtube.com/watch?v=wh4aW…
Crows in Japan learned to crack walnuts by dropping them in a crosswalk. the birds hop in front of the cars and place walnuts. After the lights turn green the vehicles drive over the nuts, cracking them open. when it’s time to cross again, the crow join the pedestrians and pick up their meal. pbs.org/lifeofbirds/brain…
The cellist of Electric Light Orchestra, Mike Edwards, was killed when a 1,300 pound hay bale rolled down a hill and collided with the van he was driving. wikipedia.org/wiki/Mike_E…
About the Grays Harbor Lighthouse, in Westport, WA. At 107 feet tall, it's not the tallest but its light is powered by a 35 watt bulb that can be seen for 19 miles or 31km. en.wikipedia.org/wiki/Gra…
The roof of some Tesla models appear orange and red when wet due to a protective UV/infrared layer in the glass to reduce heat. Water droplets cause light to bounce around and reflect some of the infrared light (normally not visible to us) in a form that is visible to our eyes adonisdetail.com/why-does…
Dim lights help reduce appetites jamaica-gleaner.com/glean…
Ruth Hale was paid by Lucky Strikes to encourage women to join march β€œLight another torch of freedom” inviting women to smoke cigarettes out in the public en.wikipedia.org/wiki/Rut…
Till Lindemann, lead singer of Rammstein, wanted a light put in his mouth for visual effects. His bandmate suggested he use a flesh colored wire and run it into his mouth from the outside. Lindemann refused, opting to have a surgical incision in his left cheek to directly feed it into his mouth youtu.be/VWBDNL71tJo?t=32…
A tortoiseshell cat named Towser holds the Guinness World Record for most mice caught at 28,899. She was so famous that a statue was erected of her in the city where she lived, and her paw prints are marked on every bottle of Fairlie’s Light Highland Liqueur. lovemeow.com/towser-the-w…
In the 1931 film City Lights, Charlie Chaplin made an actress do 342 takes of a scene where she says two words: "Flower sir?" - despite it being a silent film edition.cnn.com/2013/12/1…
Lewis H. Latimer created the carbon filament light bulb that improved Edison’s initial prototype. lemelson.mit.edu/resource…
Some guys in the Czech Republic figured out how to broadcast data in beams of light capable of streaming DVD-quality video over neighbourhoods.( 10 Mbit/s full duplex Ethernet point-to-point link.) en.wikipedia.org/wiki/RON…
In 19th century a lot of cities had a moontower, a single giant tower acting as street light illuminating several blocks en.wikipedia.org/wiki/Moo…
Am-Phu cave in Vietnam is decorated with "hell" themes: sculpted demons "and fanged devils bathed in sinister red light, where hands reach up from the waters below and river monsters threaten to gnash (visitors') souls to bits." It's located under the mountain associated with heaven. atlasobscura.com/places/a…
Today I learned about the Balearic Slingers. Little is know about these Light infantry mercenaries who fought against and then for the Roman Empire. Highly skilled and feared for their ability to strike down enemies up to 400 metres away, using ammunition made from stone, hardened clay or lead. youtube.com/watch?v=3uDtr…
Viruses (100nm) are smaller than the wavelength of visible light (380-740nm), so light doesn't bounce off of them. They are therefore invisible, and can only be seen with electron microscopes. sciencemag.org/news/2011/…
Many higher end, larger camera lenses are white instead of black due to issues caused by temperature fluctuations. As a lens heats in sunlight, it expands, affecting focus of the glass elements. This is particularly problematic for larger lenses. The white color helps reflect light/heat. petapixel.com/2016/02/19/…
According to CocaCola there is more caffeine in cola light than classic and zero coca-cola.com.sg/faq/how-…
"The Theme from New York, New York" was not nominated for an Academy Award. The winner was "You Light Up My Life". Also nominated was "Nobody Does It Better" from The Spy Who Loved Me. Originally performed by Liza Minnelli, it didn't become famous until Frank Sinatra covered it 3 years later. en.wikipedia.org/wiki/50t…
The man who eulogized George Washington with the famous quote "First in War, First in Peace, and First in the Hearts of His Countrymen" was Henry β€œLight Horse Harry” Lee, father of Confederate general Robert E. Lee. mountvernon.org/library/d…
In the 1950s a scientist used a mirror to focus the enery from a nuclear explosion to light his cigarette businessinsider.com.au/ho…
Despite our thinking of the Big Bang as the universe’s β€œlet there be light” moment, light did not exist until 240,000-300,000 years later. phys.org/news/2016-11-uni…
When Boeing fired over 70,000 employees in Seattle during the 1970s Boeing Bust, a billboard was placed on the highway leaving Seattle stating: β€œWill the last person leaving Seattle turn out the lights.” seattletimes.com/seattle-…
Color photography has existed since 1907. The "autochrome" process used millions of microscopic red, green and blue colored potato starch grains that filtered light before it reached the emulsion on a glass plate. blog.scienceandmediamuseu…
Researchers at Draper Laboratory have genetically engineered a dragonfly to become a cyborg. It is equipped with a β€œbackpack” of sensors, electronics and a solar panel and can be controlled remotely through its light sensitive β€œsteering neurons” youtu.be/Hrwn5sbNrp0
In a relatively massive scientific discovery around 1676, Danish astronomer Ole Roemer was the first to calculate that light travels at a finite speed. He studied Jupiter's moons and determined their eclipses happened sooner than predicted when the Earth was closer to Jupiter. history.com/news/who-dete…
If the universe had one dimension of space and three dimensions of time instead of the other way around, the speed of light would be the LOWER limit of speed instead of the upper limit. Thus, everything would be made of tachyons - theoretical faster-than-light particles. en.wikipedia.org/wiki/Ant…
The Battle of Leyte Gulf was, by some criteria, the largest naval battle in history, with over 200,000 naval personnel involved. The Japanese lost 1 fleet carrier, 3 light carriers, 3 battleships, 6 heavy cruisers, 4 light cruisers, 11 destroyers, 300 aircraft, & 12,500 killed en.wikipedia.org/wiki/Bat…
Einstein’s theory of special relativity explains why a star can burn for billions of years without running out of fuel. If you can measure potential energy by multiplying mass by the speed of light squared, that means an average adult stores 30 large hydrogen bomb explosions worth of energy. iperceptive.com/works/sho…
In 1978, a Soviet scientist named Anatoli Bugorski stuck his head in a particle accelerator that sent a beam of protons traveling at nearly the speed of light straight through his head. He survived with half his face paralysed & deafness in one ear, completing his doctorate shortly after. amusingplanet.com/2020/02…
Scientists have made microparticles of twisted spikes out of cysteine, arranged into a ball a few microns across, more complex than what is found in nature. It is capable of absorbing UV energy and transforming it into circularly polarized visible light through quantum mechanical interactions. phys.org/news/2020-04-wor…
The 1933 worlds fair began by focusing the light from only the 37 light year distant star Arcturus onto photoelectric cells using telescopes. The resulting current switched on the floodlights at the exposition grounds. space.com/25904-may-skwat…
Today I learned about the Battle of Surigao Strait, in which a Japanese detachment of two battleships was caught in a trap set by six American battleships (five of which were Pearl Harbor survivors), four heavy cruisers, four light cruisers, 28 destroyers, and 39 torpedo boats. No Japanese vessels survived. en.wikipedia.org/wiki/Bat…
1% of the static seen in between changing channels on TV is caused by the light of Big Bang ripleys.com/weird-news/st…
When potatoes are exposed to light, they produce chlorophyll, a pigment that turns potatoes green. Chlorophyll itself is completely harmless, but it can signal the presence of a toxin healthline.com/nutrition/…
Most of the sun's rays are actually green. It appears yellow to us because the sun emits rays of all colors, which make white light, but our atmosphere filters out slightly more blue and violet light. wtamu.edu/%7Ecbaird/sq/20…
Scorpions glow under a black light. discovermagazine.com/the-…
Despite containing mercury, compact fluorescent light globes emit less mercury into the environment than incandescent light globes which contain no mercury due to their lower electricity consumption energystar.gov/ia/partner…
The Statue of Liberty was originally designed in the 1860s for Egypt. Named 'Progress Carrying the Light to Asia', French sculptor FrΓ©dΓ©ric Auguste Bartholdi modelled the statue after an Egyptian woman dressed in a veil. Due to costs, the idea was rejected, and a lighthouse was erected instead. architecturaldigest.com/s…
Researchers found that when blind echolocators were listening to their echolocation clicks and echoes, the part of the brain normally used to see lights up. cbc.ca/news/technology/bl…
1956 USA passed the β€žRefrigerator Safety Actβ€œ. Early refrigerators would only open from the outside and trapped/suffocated children. Magnetic strips were used on fridge doors to create an air-proof seal, but would open from the inside with a light push. Even tests with children were conducted. goodhousekeeping.com/home…
Orson Welles stabbed Joseph Holland on stage during a production of Caesar (1938). Welles played Brutus with a real knife, which reflected the stage lights more dramatically than a prop en.wikipedia.org/wiki/Cae…
People such as astronomers who spend a lot of time in dark environments prefer to use red lighting when they need just a little light. Eyes are less sensitive to red light and they are less likely to mess with the dark-adaption of our eyes telescopicwatch.com/best-…
Fungus growing in Chernobyl can make up for light shield against radiation in terms of armor and help space travel popularmechanics.com/scie…
The capital city of Bhutan, Thimphu, is one of only two capital cities in the world where there are no traffic lights. In 1995, authorities installed traffic lights at busy downtown intersections, but drivers ignored it. They were subsequently taken down and replaced by traffic cops. thesoupspoon.com/7-things…
Motobu Choki. A legendary Karate master who tested his combat prowess by fighting criminals in the Red Light Districts of Japan. en.wikipedia.org/wiki/Mot…
The neon lights above Gordon Ramsey Steakhouse in Las Vegas are actual recorded hand movements of Gordon Ramsey making his signature dish Beef Wellington tripadvisor.com/LocationP…
Stars don’t actually twinkle. Light rays penetrate through different layers of air, distorting the brightness. That’s atmospheric Refraction. ck12.org/book/cbse-physic…
The color magenta does not appear on the visible spectrum of light and is the only non-monochromatic secondary color. It should be midway between red and violet on the light spectrum (approx 530 nm), but that position is occupied by green (magenta's complementary color). biotele.com/magenta.html
Moths are attracted to light because they base their navigation on their position relative to a light source. api.nationalgeographic.co…
Today I learned about the Alcubierre drive, a solution of Einstein's field equations in general relativity by which a spacecraft could theoretically achieve apparent faster-than-light travel without breaking any physical laws. It would have to be made of matter of negative energy density, which may not exist. en.wikipedia.org/wiki/Mig…
Why northern light is so valuable for painters and sculptors. It's because northern light is consistent during the day, no matter what position the sun is in. It doesn't move through the studio at different angles, the different intensities making it hard to keep colors consistent. finearttips.com/2010/01/w…
Our skin is covered in invisible stripes. First observed by Alfred Blaschko in the early 1900s, they appeared not to follow any known body system. Visible only under UV light, these stripes now known to be cellular relics of fetal development from singular-cell beings to fully formed humans. mentalfloss.com/article/6…
The first 'light gun' game wasn't Duck Hunt on NES but Ray-O-Lite developed in 1936 mentalfloss.com/article/2…
Gravity moves at the Speed of Light and is not Instantaneous. If the Sun were to disappear, we would continue our elliptical orbit for an additional 8 minutes and 20 seconds, the same time it would take us to stop seeing the light (according to General Relativity). math.ucr.edu/home/baez/ph…
A jiffy is an actual unit of time and in quantum physics can be defined as the time it takes for light to travel one fermi, which is approximately the size of a nucleon informationin.com/2014/03…
An earthquake light is a luminous aerial phenomenon that reportedly appears in the sky at or near areas of tectonic stress, seismic activity, or volcanic eruptions. chchquake.co.nz/whitehead…

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