2401
On March 1st, 1975, the Australian TV said goodbye to black & white, and hello to color. At exactly midnight, the episode of The Aunty Jack Show literally transformed from black and white to colour [full video: vimeo.com/6275660]
2402
There's a marvelous geyser in Nevada which was accidentally created during a well drilling in 1964
[read more: bit.ly/2cGLTil]
#FlyGeyser
2403
This video shows a time lapse of a mud and debris flow filmed at the El Dorado scar after torrential rain in San Bernardino County on September 12, 2022
[read more: buff.ly/3N786UO]
[📹 San Bernardino county public works]
2404
This is a blob top jellyfish (Neoturris breviconis) spotted in British Columbia, and is smaller than the size of a thumb. Despite appearances, they don’t have brains
[📹Maxwel Hohn: buff.ly/3VhdF6p]
2405
Depending on the light the shape of a domestic cat’s pupil changes from vertical slit to almost fully round. Overall a cat’s pupils can expand by 135-fold and can perform like built-in night vision goggles. By contrast human pupils expand by a factor of 15 buff.ly/2J3Y6tZ
2406
Fynn Jackson folds intricate origami faces with paper and most of his designs are improvised, being the patterns the result of trials and errors [source and more artworks: buff.ly/3CdwGQh]
2407
Kunho Lee and his friend built this 20" f/4 Bino Scope with a decent number of degrees of freedom for a binocular observation of the night sky in grand style
[video: buff.ly/3to1rdM]
[photos: buff.ly/3tsgT8L]
2408
Axolotls are mostly silent creatures, but those who have heard them make noise describe the sound as either a squeak, a hiccup, or a high-pitched bark
[source 📹: buff.ly/3PcwUvn]
2409
Light tubes are physical structures used for transmitting or distributing natural or artificial light for the purpose of illumination [buff.ly/3uDYKGs]. This video shows how a solar tube works [full video: buff.ly/3bGYttH]
2410
Sleep evolved before brains. Hydras are living proof. Studies of sleep are usually neurological. But some of nature’s simplest animals suggest that sleep evolved for metabolic reasons, long before brains even existed [read more: buff.ly/3wduzps]
2411
South Korean firm ETI is offering a novel roller barrier system, designed to reduce crash risks. The rollers are made from an ethyl vinyl acetate (EVA) material that is highly shock absorbent, a key design feature
[read more: buff.ly/3TSGm7V]
2412
Pastry artist Dinara Kasko creates edible cakes that are inspired by geometry, architecture, sculpture, and technology, using the Grasshopper graphical algorithm editor and a 3D printer to realize silicone cake molds
[site: dinarakasko.com]
2413
What Intel put on for its 50th anniversary back in 2018 is still impressive: the drone team broke a world record flying thousands of Shooting Star™ drones to create one of the biggest and brightest synchronized drone light show on Earth [source: buff.ly/2vJNATL]
2414
A mathematical coincidence occurs when two expressions with no direct relationship show a near-equality which has no apparent theoretical explanation. These two, involving e, π, square roots and the mumbers 3, 4, 5, 6 and 7 is quite stunning
[read more: buff.ly/3yZw8ZE]
2415
Born 231 years ago #Today, Michael Faraday was the discoverer of the principles underlying electromagnetic induction, diamagnetism and electrolysis. Although Faraday received little formal education, he was one of the most influential scientists in history buff.ly/2QSoFq3
2416
One evening, while walking along the riverbed of the Myakka River State Park in Sarasota, Florida, photographer Larry Lynch came across a group of alligators. This is the result of setting his flash on the lowest setting to give just a tiny bit of light lynchphotos.com
2417
The story of William Walker, the diver who worked six hours a day from 1906 to 1912 in total darkness at depths up to 6 meters to put down 25,800 bags of concrete, 114,900 concrete blocks, and 900,000 bricks to save the Wincherster catherdal's foundation buff.ly/3rr05yq
2418
This clip undoubtedly falls in the category don't try at all (not only at home), but it also visualizes very well the extreme reactivity of sodium with water
[read more: buff.ly/3nYUdNo]
[📹 EatsTooMuchJam: buff.ly/3p30wyY]
2419
This is a visualization of the trigonometric function of the sine. The ordinate represents the value of the function, equal in absolute value to the length of the perpendicular dropped from the circular arc to the abscissa
[source: buff.ly/2PFiS8L]
2420
The final moments of #DART and the reaction from the team at John Hopkins University Applied Physics Lab
[video: buff.ly/3CcCfho]
2421
Every year, 182 million tons of dust from the Sahara Desert is carried by air currents to the Amazon Rainforest where it becomes an important source of phosphorus, an essential nutrient that acts like a fertilizer for tropical plants
[read more: buff.ly/2M23EFM]
2422
The Zanclean flood or Zanclean Deluge is a flood theorized to have refilled the Mediterranean Sea 5.33 million years ago. According to this model, water from the Atlantic Ocean refilled the dried up basin through the modern-day Strait of Gibraltar buff.ly/2KFkCJt
2423
Bees can quickly master an insect version of football — with a sweet reward at the end — just by watching another bee handle the ball, suggesting that the tiny pollinators are capable of sophisticated learning
[read more: buff.ly/2kRQ2UK]
2424
At SpaceX, you can find a coffee table made with a set of grid fins of a Falcon 9 rocket
[source: buff.ly/2Ej3U1q]
[read more: buff.ly/2YNOID4]
2425
Bergs Fairytale Garden (@Bergs_fairytale) took creative gardening literally creating this nearly perfect color palette with progressively hued eggs. «Eggs can be a everyday thing, but it can also be art» [source + IG: buff.ly/33snGri]
Astronomy, astronautics, meteorology, physics. Engineer, trying to build the big picture of #science via selected & curated pics, videos & links