1476
Here are some sounds you'll recognize if you were alive in the 1980s. All of the sounds are created by interacting with these then-everyday objects.
[more videos by rerunthe80s: buff.ly/3spG9OB]
1477
The tapetum lucidum is a layer of tissue in the eye of many vertebrates. Lying immediately behind the retina, it reflects visible light back through the retina, increasing the light available to the photoreceptors [read more: buff.ly/2k22oH3]
1479
The ocean sunfish or common mola (Mola mola) is one of the heaviest known bony fish.
This is what its skeleton looks like
[source: buff.ly/3ToZ87q]
[read more: buff.ly/3CK0Adw]
1480
The coloration of the Monet’s Pond in Seki city, Japan, is so profound you may think there's some artificial lighting or dye behind it. But amazingly, there are no visual effects whatsoever
[📹 Hidenobu Suzuki: buff.ly/3TdNI6G]
1481
This crab was supposed to be an easy snack for a bald eagle, but nature always has some surprise (and a crab a few tricks up its claws)
[from «Island of the sea wolves»: buff.ly/3MGePok]
1482
A brilliant painting technique that uses forced perspective to make the painting itself disappear
[📹 tcmss1.0 on Douyin: buff.ly/3ScTPqz]
1483
Obsidian is an igneous rock that forms when molten rock cools so rapidly that atoms are unable to arrange into a crystalline structure. The result is a volcanic glass that breaks with a conchoidal fracture
[📹 Outlaw Rocks: buff.ly/3ENAo4w]
1484
A brilliant Möbius wind kinetic sculpture
[author, Zack Fresco: buff.ly/3s5OBlW]
[video: buff.ly/3naTreQ]
1485
The Amur leopard is a leopard subspecies listed as Critically Endangered on the IUCN Red List, as in 2007, only 19–26 wild leopards were estimated to survive in southeastern Russia and northeastern China
[📹 Sondre Eriksen: buff.ly/3D78wal]
1486
Kaketsugi – literally ‘invisible mending’ in Japanese – is an amazing cloth mending technique from Japan that involves repairing damaged cloth to the point where you can’t even tell it was ever damaged.
[source, read more: buff.ly/3snCeBT]
1487
The Briggs–Rauscher oscillating reaction is one of a small number of known oscillating chemical reactions. It is especially well suited for demonstrations and... magic
[read more: buff.ly/2RPqX9u]
[📹 lamzak2: buff.ly/32lLblf]
1488
Scientists found that only some bees can figure out how to do this on their own. But 60% of inexperienced bees watching this, learned the new skill
[read more: buff.ly/2XGvsFZ]
1489
Physics says energy would be lost due to inefficiency of the wheel, and it wouldn't make a complete loop with the bird on it. This cockatoo actually learned to move in a way that adds energy to the system, allowing it to make a complete loop [full video: buff.ly/2RYkPel]
1490
Wildlife photographer Roeselien Raimond photographed 64 foxes from the same angle to allow for easy comparisons, and the result reveals the wildly diverse characteristics of such animals [source, read more: buff.ly/3eeMAwB]
1491
Lightning can assume various shapes. This is possibly one of the most stunning, in a picture by Jean-Yves Villa captured in 2016
[source, HD: buff.ly/3EO5DfK]
1492
The Autoped was an early motor scooter manufactured by the Autoped Company of Long Island City, New York from 1915 to 1921
[read more: bit.ly/2x5PifL]
[in the photo, Priscilla Norman, activist and suffragist, riding one: buff.ly/33OQAC9]
1493
This video shows an interaction test conducted with an Engineered Arts Ameca humanoid robot. Images from its eye cams are processed using tensorflow and Ameca reacts as things enter their 'personal space'
[source: buff.ly/32rpzEf]
1494
The story of astronauts Mark Lee and Jan Davis, who married in secret 9 months before their joint flight on mission STS-47 & didn't tell NASA until it was too late to train replacements. They are the only married couple to have ever flown in space together buff.ly/2CME3BZ
1495
The critically endangered Sumatran rhinos are the smallest of the living rhinoceroses and the only Asian rhino with 2 horns. Covered with long hair, they are more closely related to the extinct woolly rhinos than any of the other rhino species alive today buff.ly/3eeNU2q
1496
The wedge-tailed eagle is one of 12 species of large, predominantly dark-coloured booted eagles in the genus Aquila found worldwide. A large brown bird of prey, it has a wingspan up to 2.84 m (9 ft 4 in) and a length up to 1.06 m (3 ft 6 in) [read more: ow.ly/v78u30nGkwN]
1497
This is real life sound visualization.
449 Hz, higher frequencies, then some jazz and then some rock are pushed into a Ruben's tube with propane to show standing waves and other configurations.
[📹 Jared Fikling: buff.ly/3s2kL1r]
1498
Ice shards floating out to sea along the coast of Greenland
[📹 Luke Stackpoole: buff.ly/3VA0b67]
1499
Graduating art student Shun Onozawa has created this mesmerizing device named “Movement Act” where a golden formula allow all 16 balls to continuously move through it without ever colliding
[read more: buff.ly/3yMtQiF]
1500
Dolphins produce all sorts of bubbles by releasing air from their blowholes, including bubble rings. Many of these serve as visual displays, a kind of communication signal
[read more: buff.ly/3TkYrvS]
[📹 Aaron Rix: buff.ly/3eIU6DL]
Astronomy, astronautics, meteorology, physics. Engineer, trying to build the big picture of #science via selected & curated pics, videos & links