2376
Japan uses sprinklers that spray warm underground water to melt the snow on the roads. They can also be used as mist-generatng systems to mitigate particulate matter especially PM 2.5–10
[source, read more: buff.ly/3Pg3KvL]
2377
Cinematographer Dustin Farrell captured this F-22 with a Phamton Flex4K at 1000fps and a 1000mm lens
[source, more videos: buff.ly/3XYG96E]
2378
Costasiella kuroshimae is a species of sacoglossan sea slug, a shell-less marine opisthobranch gastropod mollusk. It's often called sea sheep due to its aspect and it's one of the only animals in the world that can perform photosynthesis
[read more: buff.ly/2t9sPys]
2379
A particularly beautiful murmuration of starlings captured in Piazza della Repubblica, Rome, in January 2022
[📹 ekapugach: buff.ly/3B9lhjd]
2380
US Air Force Sgt. Christian Magliocca spotted & filmed this magnificent display created by SpaceX CRS-25 mission at 37,000 feet from the flight deck of a C-17 Globemaster III somewhere over the Atlantic Ocean
[source, read more: buff.ly/3FnZXJf]
2381
The formula to find the number of image formed by two mirrors placed at some angle is
n = (360 / ϑ) - 1
In this case, a "catleidoscope" of 8 cats, is obtained with ϑ = 40°
[source: buff.ly/3VQ6stJ]
[read more: buff.ly/3iFmVCD]
2382
This is a pair of legs, clear. But are the legs shiny? You certainly see them shiny, at first, but looking better you'll find this is just a brilliant optical illusion using white paint
[source: ow.ly/oQrm30o30ZD]
2383
This bear has been spotted crawling on ice instead of walking. The possible explanation is the bear knows the ice is thin and a more distributed weight on the surface unit can allow it to safely reach the snow
[Emma Postolec: buff.ly/3FaldRE]
2384
When a guitar string is plucked, each of the vibration patterns observed (with the help of the rolling shutter effect) is called a mode
[read more: bit.ly/2qWqB3J]
[source, Jecus Andrei: buff.ly/3P0Lwhn]
2385
A musical road is a road which when driven over causes a tactile vibration and audible rumbling that can be felt through the wheels and body of the vehicle. This one is in Hungary
[read more: buff.ly/3UttoOl]
[📹 buff.ly/3FtcdYQ]
2386
The edge of space and low Earth orbit to scale with a map. Stack of pennies on the right represents the Kármán line where space begins. It is 100 km high (62 mi). Left stack represents low Earth orbit, approximately 300 km (186 mi) of altitude
[source: buff.ly/2tgw5rQ]
2387
Take the orbits of any two planets and draw a line between their positions. The inner planet orbits faster than the outer planet and interesting, spirograph-like patterns will evolve. These are Jupiter & Mars
[CaptainGranit: buff.ly/2G1xaOP]
2388
The Turkish coffee looks like an apparent violation of the laws of thermodyamics, but there's a pretty simple way to brew it
[read more: bit.ly/2fGy5n2]
[📹 buff.ly/3F3rFtB]
twitter.com/magioliveira/s…
2389
It seems unreal. On January 1, 2022 snow fell in the deserts in the northwestern Saudi Arabia, in the town of Jebel al Lawz in the province of Tabuk. This is what it looked like under the desert sands
[read more: buff.ly/3F6wQZA]
2390
«Comparative tests on a human and a chimpanzee infant of approximately the same age» is a film from 1932 featuring silent black and white footage of Withrop Kellogg's study. This is the famous scene of the tickling
[video: buff.ly/3KmeCVW]
2391
Living sand dollars are covered by a skin of velvet-textured spines with very small hairs (cilia). Coordinated movements of the spines enable sand dollars to move across the seabed
[read more: buff.ly/3h4cuZa]
[📹: buff.ly/3BcJ8yt]
2392
When researchers found this kind of mysterious underwater 'crop circles', they did not know the cause. Then, they proved to be amazing artwork made by pufferfish to attract and win a mate
[video, HD: bit.ly/2p5JBLk]
2393
Strong explosions accompanied by volcanic lightning were registered at Sakurajima volcano, Japan at 10:30 UTC on December 3, 2022, suring a new eruption that sent volcanic ash at 1.8 km (6 000 feet) above sea level.
[read more: buff.ly/3utUavz]
2394
This is the farthest place on earth from any ocean
Known as the Eurasian Pole of Inaccessibility, it's located in China's Xinjiang region and is 2,645 km (1,644 mi) from the nearest coastline.
[read more: buff.ly/3Y1dU7p]
2395
This website calculates the effects of an asteroid impact anywhere on Earth, with a customization of the size, composition, speed and angle of impact.
neal.fun/asteroid-launc…
2396
Meanwhile, inside the box, Schrödinger's cat plans its revenge.
buff.ly/3Fu0olm
#MotivationMonday
2397
An anechoic chamber is a room designed to completely absorb reflections of either sound or electromagnetic waves. This is the difference between bursting a ballon outside and inside a anechoic chamber
[read more: buff.ly/2Eg7z3Q]
[📹 dydxlnx: buff.ly/31kE75C]
2398
Fluids take time to flow from one location to another. When the air is collapsing behind a vehicle in motion, a zone of negative pressure vs the surrounding air is created & this is one of the possible results
[read more: buff.ly/3l4ZPlM]
[📹: buff.ly/3gmMPEx]
2399
Kjeragbolten is a boulder on the mountain Kjerag in Forsand municipality in Rogaland county, Norway. The rock itself is a 5 m³ glacial deposit wedged in the mountain's crevasse, suspended above a 984-metre (3,228 ft) deep abyss [read more: ow.ly/RMl430nZI2T]
2400
Gorillas, both in captivity and in the wild, use tools. This clip shows a family of gorillas trying to fix a defective door in their enclosure, using a modified branch as a tool
[📹: buff.ly/3UBxDrk]
[read more: buff.ly/3gXfBCc]
Astronomy, astronautics, meteorology, physics. Engineer, trying to build the big picture of #science via selected & curated pics, videos & links