2426
The Drake Equation, explained in one of Carl Sagan’s most widely known episodes of his iconic television program, Cosmos [full video: buff.ly/3uA8tMt] #FrankDrake
2427
Frank Drake, the eminent radio astronomer known for his pioneering efforts in the search for extraterrestrial intelligence, among which the Arecibo message and the Drake equation, died #Today at his home in Aptos, California. He was 92 buff.ly/3e82xb4
2428
Building and testing different LEGO mechanisms to create a water vortex inside an enclosed plastic ball and explore fluid mechanics
[full video, Brick Technology: buff.ly/3ABTxTi]
2429
A Great Argus pheasant tries to charm the female bird with courtship dance
[source: buff.ly/3D1vy2u]
[read more: buff.ly/3ABSq64]
2430
The Asch conformity experiments (1951-1956)
people conform for two main reasons: they want to fit in with the group and because they believe the group is more informed than they are
[read more: buff.ly/3AMy8GY]
2431
Orangutans share 96.4% of genes, 28 physical characteristics, and a number of behavioral traits with humans.
No wonder things like this happen so easily.
[📹 TikTok's minorcrimes: buff.ly/3Ba4cWK]
#FridayFunday
2432
The cocoa powder contains fat with a hydrophobic quality and this is why when you touch it with a toothpick, the layer of milk seems to magically fall off leaving the cocoa powder underneath perfectly dry
[read more: buff.ly/3q89Ous]
2433
In 1984, high above the Earth's surface, an astronaut captured a satellite. Dale A. Gardner flew free using the Manned Maneuvering Unit and began to attach a control device dubbed the Stinger to the rotating Westar 6 satellite [read more: buff.ly/2V1wCN7]
2434
After months of chasing starlings, photographer James Crombie captured this remarkable shot of the flock as it swelled into an enormous bird-like murmuration [read more, author's site: inpho.ie]
2435
Another way to show the Mercator projection's distortions on a planisphere, is to consider that every circle on this map has the same 500 mile radius
[source, credits and more: ow.ly/VAyJ50Ach4L]
2436
Elephant's toothpaste
[read more: buff.ly/2KTc4SI]
[📹 buff.ly/3elzWPy]
2437
The story of Lélia and Sebastião Salgado, the couple who worked since the 1990s on the restoration of a part of the Atlantic Forest in Brazil, helping plant 4 million saplings [read more: buff.ly/2GE5RX4]
2438
This is how two colliding galaxies interact and merge into a single elliptical galaxy over a period spanning two billion years of evolution, in a simulation made by the Advanced Visualization Laboratory (AVL) at NCSA
[read more: buff.ly/3vCi2eH]
2439
A master of camouflage, Uropyia meticulodina is a 45-55 mm moth that may be found imitating a dead leaf on the forest floors of China and Taiwan
[read more: buff.ly/2O50GVl-]
[full video by Kazuo Unno: buff.ly/3CiT2w4-]
2440
Sea lions physiology allow them to dive for long periods of time, very deep and in nearly any condition. See them ride roaring waves near Santa Barbara Island, California
[read more: buff.ly/3RtYTXn]
[📹 Ryan Lawler: buff.ly/39KwXKz]
2441
This is the best image we have of what we call an atom (OR, in quantum physics terms, of its wave function) [source, read more: buff.ly/2npcmWT]
2442
Although they may resemble shrews, hedgehogs, or opossums, tenrecs are not closely related to any of these groups. This one at the Smithsonian's National Zoo is dust-bathing and rubbing the new scent into its spines [source: buff.ly/3ovZYRA-]
2443
Researchers found that when a champagne bottle is uncorked, the CO₂ and water that is released creates under-expanded supersonic CO₂ freezing jets. This is actually the formation of a Mach disk during champagne cork popping [read more: buff.ly/2kBr7G7]
2444
In this video, YouTube channel Robinson Foundry shows how they made a bolt with unique zigzag threads starting from a 3D printed model [full video: buff.ly/3neAWHB]
2445
Cotylorhiza tuberculata is a species of jellyfish also known as fried egg jellyfish due to shape of its elevated central dome
[read more: buff.ly/3HhC0Cm-]
[source of the clip: buff.ly/3DgobSi-]
2446
It takes 31 elements (four that come from conflict zones) to make a smartphone. This periodic table visulises their quantity and rarity
[source, read more: ow.ly/m16P30ncD9R]
2447
Spider webs have existed for at least 100 million years, as witnessed in a rare find of Early Cretaceous amber from Sussex. This spiny orb weaver spider filmed by Rachel Barry is patiently demonstrating how they build them [source: buff.ly/30md23I]
2448
Steve Hathaway & Andrew Buttle were diving off the coast of Whakaari, the stratovolcano on White Island, New Zealand in 2018, when they met a huge pyrosome, a free-floating colonial tunicate that can reach up to 18 m [full video: buff.ly/3c9vC1N-]
2449
The story of John A. Phillips, the underachieving Princeton student who wrote a paper describing how to make a $2,000 A-bomb (vs estimates > $1 million) that could fit in U-haul trailer. He got an A but his paper was confiscated by the FBI [read more: buff.ly/3kwZz0c]
2450
In Icelandic caves, meltwater often appears when geothermal activity increases, even due to volcanic eruptions or moving magma. This one was filmed by photographer Iurie Belegurschi in 2020 [source: buff.ly/3c8UzdC-, author: iuriefineart.com/-]
Astronomy, astronautics, meteorology, physics. Engineer, trying to build the big picture of #science via selected & curated pics, videos & links