1301
Costasiella kuroshimae (leaf sheep), is a sea slug performing 'kleptoplasty' = retaining the chloroplasts from the algae it eats, so that they can be used for photosynthesis [read more: buff.ly/2t9sPys] [📹️Catrin Pichler: buff.ly/3iASjgI]
1302
That time @StationCDRKelly dissolved an effervescent tablet in a floating ball of water on the International Space Station, and captured a video in 4K
[full hi-res video: ow.ly/ow0z30ntvrA]
1303
The unique design of spider rice fields in Indonesia was created by the traditional way communal rice paddies were divided up among the indigenous people. In addition to being very peculiar views, sometimes they also provide interesting optical illusions buff.ly/3fpfbRE
1304
J58, the SR-71's secret powerhouse, has been called "black magic": an engine that can push a plane from 0 to Mach 3.2 without breaking a sweat. Here's how it works [video by TechLaboratories: buff.ly/2PySC23]
1305
Photographer Cassie Jensen captured this close encounter with a humpback whale in 2019.
[why whales (especially humpback whales) do breach: buff.ly/2AgRjwu]
[source: buff.ly/3oB0pLW]
[author's site: cassiejensenphotography.com]
1306
This video created by British psychological professor Richard Wiseman demonstrates the power of perspective in creating illusions. It’s titled, “Assumptions”
[source, read more: buff.ly/2wbGWYY]
1307
When National Geographic launched a Pixar style 16′ x 16′ house 18′ tall with 300 8′ colored weather balloons and set a new world record for the largest balloon cluster flight ever attempted [read more: buff.ly/2FFHupt]
1308
Constant-velocity joints (also known as homokinetic or CV joints) allow a drive shaft to transmit power through a variable angle, at constant rotational speed, without an appreciable increase in friction or play
[source, read more: buff.ly/2RqZr0W]
1309
The falling green characters at the beginning of all of the Matrix films have become perhaps the most recognisable visual from the film. So what constitutes the code? An incredibly complex equation? Nope, it's just a load of recipes for sushi [read more: buff.ly/2KxytCB]
1310
This time-lapse video by Max Olson shows what a 4.5 meter (15 feet) storm surge looks like. The video was recorded in Ft. Myers Beach, Florida during hurricane Ian landfall
[full video, HD, Max Olson Chasing: buff.ly/3RpovVc]
1311
The Healesville Sanctuary, Victoria, Australia, is one of only two places to have successfully bred a platypus. The first platypus bred in captivity was born in the Sanctuary in 1943
[📹: buff.ly/3ftlvd0]
[read more: buff.ly/3CnLFqH]
1312
Wave propagation in granular materials includes the possibility of emerging of localized solitary waves that propagate along one space direction only, with undeformed shape
[read more: buff.ly/3BZETWu]
[📹 rianki7: buff.ly/3SOcJEC]
1313
Tesla debuts an actual, mechanical prototype of its Optimus robot at AI Day 2022. It has 40 electromechanical actuators, a 2.3 kWh battery and could cost under $20,000 when built at volume
[more: buff.ly/3CoS5G4]
[watch: buff.ly/3yu7wuj]
1314
This animation using a domino analogy, shows why speed of sound is faster in solids, slower in liquids and slowest in gases
[📹 Higgsino physics library: buff.ly/3y9FqTs]
1315
Gannets can dive from a height of 30 m (100 ft), achieving speeds of 100 km/h (60 mph) as they strike the water
[read more: buff.ly/339A2UV]
[📹 Lisa Button, captured in 2020 in Newfoundland, Canada: buff.ly/33kzfAV]
1316
The platypus localises its prey using almost 40,000 electroreceptors arranged in front-to-back stripes along its bill.
Bonus: this is sound it makes
[read more: buff.ly/2jqvqQb]
[📹 Platypus Conservation Initiative]
1317
You may remember this tweet. My sister and I finally had a go for respectively donating and receiving a kidney. My transplant will be in October, either before mid-month or at the end of the month 1/🧵
twitter.com/Rainmaker1973/…
1318
Helium's the only element on Earth that is a completely nonrenewable resource. It can’t be artificially produced & is formed in natural gas wells as ancient uranium decays, which takes billions of years. That's why the world is constantly running out of it buff.ly/2CxkpWZ
1319
In image processing, one of the elements you see in the clip is called a 'gabor'. Configurations of drifting gabors that are stationary, can give rise to dramatic global motion percepts. This is the 2016 winner of the Best Illusion of the Year contest: buff.ly/2QGIkxj
1320
Huernia zebrina, the little owl, is a species of flowering plant in the family Apocynaceae, native to Africa. Its shiny, large flowers may look like plastic [photo by Reddit user u/7-methyltheophylline: buff.ly/3m9GsKH]
1321
A pyramidion used to be the uppermost piece of an Egyptian pyramid or obelisk. It was generally made of diorite, granite, or fine limestone, then covered in gold or electrum. Very few pyramidia have survived into modern times. This is one of them [more: buff.ly/334VWDg]
1322
How you make a spray-on dress.
The spray used by Coperni for Bella Hadid's dress, is made up of Torres' Fabrican liquid that contains fibers suspended in a polymer solution, evaporating upon contact with the body
[read more: buff.ly/3E7zrn8]
1323
A 196-day time lapse of an oak tree sprouting from an acorn
[full video, HD, Box Lapse: buff.ly/3xDgwMn]
1324
It's called the Ames Room, and it was invented by American ophthalmologist Adelbert Ames, Jr. in 1946 to screw with your brain
[read more: buff.ly/2qcbbZM]
[📹 La casa De La Ciencia, Seville: buff.ly/2ydLpMo]
1325
Playing with the Coriolis force. This movie of a ball rolling across the surface of a rotating merry-go-round is a helpful demonstration of the Coriolis force
[source, read more: buff.ly/2KzBXV5]
Astronomy, astronautics, meteorology, physics. Engineer, trying to build the big picture of #science via selected & curated pics, videos & links