476
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]
477
The nicotine and other chemicals in discarded filters act as a natural pesticide that repels parasitic mites. This is why birds are keeping their nests warm and pest-free by lining them with cigarette butts
[read more: buff.ly/2KifxLw]
478
Fallingwater, the modern house prototype built by Frank Lloyd Wright over a waterfall in 1935
[read more: buff.ly/3e66mZ4-]
[video: buff.ly/3ebAG4x-]
479
This keepers worked at one of the most dangerous lighthouses in the world, Le Kéréon, located off the coast of Brittany. It was fully automated in 2004, so no one commutes to it anymore, but this is how they changed shift
[videos: buff.ly/3StSJIi]
480
The spectacular secret treasures that have been growing beneath Mexico for 500,000 years: a cave with crystals up to 11 meters in lenght and a weight up to 55 tons
[read more: buff.ly/2eDzOH5]
481
Very rarely a roll cloud can turn into a spherical cloud, like this one observed over Japan in December 2016
[read more: bit.ly/2A52Hb0]
482
This video shows how a harbor pilot boards a moving 200 m long ship moving fast into a sea of ice
[source: buff.ly/2IxKIRt]
483
The Super Zoom is a 2019 computer-generated animation by Pedro Machado that shows how everything in the universe is made of minuscule foundational elements
[full video: vimeo.com/355005914]
484
Hyundai-10000 is the world’s biggest shear-leg floating crane in operation. The 10,000-ton shear-leg floating crane is equipped with two 180-meter-long crane booms and two sets of 70 m high back stay
[read more: buff.ly/3BgXlta]
485
This spectacular display of a great white shark jumping out of the water is called breaching. They do that during hunting, to stagger and catch fast moving prey.
This clip was filmed by Chris Fallows in 2020
[source, read more: buff.ly/3pUspe5]
486
Believe it or not, this is the Casio AT-552 Janus, a touchscreen and gesture-controlled calculator watch. From 1984
[full video, by ChromeFD: buff.ly/2SqavAU]
[read more: buff.ly/2N52pYA]
487
An immense fever of rays. These large groups can reach up to 10,000 individuals. They come together for breeding and migration, swimming to feeding grounds each year
[read more: buff.ly/3Afp9xL]
[📹 Paul Nicken: buff.ly/3QJvLf5]
488
Gustaf III Airport airport located on the Caribbean island of Saint Barthélemy is a very peculiar one and possibly one of the most dangerous airport in the world
[📹 buff.ly/3UM1r4J]
[read more: buff.ly/3UsSLjj]
489
Young owls sleep face down, mainly due to the weight of their heads. The owlets lie down on their stomachs, turn their heads to the side, and fall asleep
[source: buff.ly/3i68Ic3, buff.ly/3qmFBbk]
[clip: buff.ly/3IpEPk4]
490
An incredibly rare black deer spotted in the forest of the Barycz Valley, Poland in 2021. Most estimates guess that only about 1 in every 500,000 deer is melanistic
[read more: buff.ly/3R326gl]
[📹 Jakub Wencek: buff.ly/3Kd6AyZ]
491
Just outside the city of Klevan in Ukraine, a nearly two-mile stretch of private railway has turned the surrounding trees into an enchanting natural tunnel. It's called the Tunnel of Love
[read more: buff.ly/2t29nEy]
492
Plants do actually move: we just don't live in the same time reference frame.
This 2-day time lapse shows the so called plants' nastic movements, mostly due to changes in turgor or changes in growth
[source, houseplantjournal: buff.ly/3HBFC1o]
493
These excerpts from a 1980 documentary about Czech animator Karel Zeman show how some of Karel’s special effects were achieved in the movies he made between 1947-1980
[full video + read more: buff.ly/3LAKWnn]
494
If you're old enough, you will recognize this sounds and appreciate the spectrogram of a dial up modem handshake. The full video's caption reports a verbal translation/breakdown of the process
[Full video, Scotty H: buff.ly/3zVFdom]
twitter.com/tatertotsmcgee…
495
A 196-day time lapse of an oak tree sprouting from an acorn
[full video, HD, Box Lapse: buff.ly/3xDgwMn]
496
Photographer Josh Anon captured the perfect moment in which the rising sun made this polar bear's backlit breath look like fire
[source: buff.ly/2FDooAk]
[author's site: joshanon.com]
497
These cape lappet caterpillars respond to human voice and noise.
[📹 Overberg Renosterveld Conservation Trust: buff.ly/3iAR9a3]
[read more: buff.ly/3vN5LHb]
498
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]
499
Lindsey Swierk documented that the water anole can breathe under water for long periods of time to avoid predators through an underwater respiration system using a recycled air bubble that clings to the anole's head
[read more: buff.ly/3CWg2la]
500
Dinosaur tracks from 113 million years ago have been revealed in Texas after a severe drought dried up a river. The footprints - left by a single acrocanthosaurus - had not been seen for more than 20 years [read more: buff.ly/3Am9Ovj]
Astronomy, astronautics, meteorology, physics. Engineer, trying to build the big picture of #science via selected & curated pics, videos & links