476
This video compares the size of tsunamis from the smallest wave to the biggest tsunami
[📹 HD, Red Side: buff.ly/3R8UrNA]
477
Colletia Paradoxa has cylindrical triangular, spiny branches & small tubular, or bell-shaped flowers. A native of dry regions of Brazil & Uruguay, it is bizarre in its triangular cladodes, which earn it the common names ancho plant buff.ly/3Rb5wO7
478
Orbiforms are volumes of constant width made from solid steel, brass, and copper: these shapes have constant diameter no matter their orientation and will roll like spheres between two planes [source, buy: buff.ly/2Q4q4YE] [read more: buff.ly/2qtLCUy]
479
Male Alston's singing mice sing to attract mates and to warn off other males. This species produces vocalizations in both the sonic and ultrasonic range thought to be an important component of its communication behavior buff.ly/2UUFym4 [video: buff.ly/2ZXwR0o]
480
Only 9 years ago, the entire surface of planet Mercury was finally mapped by MESSENGER. This video is a compilation of thousands of images of Mercury rendered in exaggerated colors to better contrast different surface features [read more: ow.ly/wll630oyVvu]
481
This is what happens when two bubble rings collide
[source, by Nolan Omura: buff.ly/3o1Jlgt-]
[the physics and math behind a vortex reconnection: buff.ly/2SdU3zZ-, buff.ly/2yYhp3L-]
482
In 2015, Maciej Winiarczyk captured the bright lights of the aurora borealis as he set up a time-lapse of the Milky Way, resulting in this mesmerizing light show in the Scotland sky [hi-res video: buff.ly/3GUDaUf-]
483
The story of how in 2020 & for the first time ever, archaeologists used ground-penetrating radar to map an entire city while still beneath the ground. A map of Falerii Novi, an ancient Roman city, was compiled with data taken from ground-penetrating radar: buff.ly/2UFostV
484
In its heyday, the classical Roman city of Baia was the hedonist Las Vegas of the time, but now its remains are partying beneath the waves. Its precious mosaic floors, especially the submerged ones, are possibly the most impressive site's heritage buff.ly/2z0e5oN
485
These silky sheets are actually a spider web. As happened in June 2021 in Australia, sometimes there are so many spiders making webs the silk becomes like one gossamer blanket [read more: buff.ly/2UDXx4q-] [Carolyn Crossley: buff.ly/3kdIybk-]
486
Located in Shiraz, Iran, the Nasir al-Mulk Mosque, also known as the Pink Mosque, is a dazzling wonderland of rich hues, geometric patterns, and light that play on the ceiling (here shown a detail) and floor of the mosque [read more: buff.ly/2t8X78y]
487
Velvet worms are 400-million-year-old caterpillars that have an unusually gooey way of subduing their prey: squirting an adhesive slime [source, full video, National Geographic: buff.ly/3mRwRc7]
488
In 1989, in the midst of a raging storm off the Brittany coast, photographer Jean Guichard circled above the French lighthouse of la Jument in a helicopter capturing a series of photos of a dramatic moment that peaked in this iconic image [full story: buff.ly/2QaFy2U]
489
Anamorphosis is a distorted projection or perspective requiring the viewer to occupy a specific vantage point. This is a 2014 piece by Bernard Pras that transforms seemingly broken objects into a portrait of French postman and artist Ferdinand Cheval: buff.ly/2NYmCSh
490
Kirie is the Japanese art of paper-cutting. A negative space is cut from a single sheet of white paper and then contrasted against a black background to reveal a rendering. Veteran kirie artist Masayo Fukuda has been practicing the art form for 25 years ow.ly/GI9w30n8uL3
491
From birth to adulthood, a nervous system changes as the organism's body grows and its behaviours mature. But how do brains remodel their circuits? This paper outlines several principles of brain circuit development [full paper: buff.ly/3AhmmnQ]
492
The standard-winged nightjar male has a bizarre wing ornament during the breeding season which consists of a broad central flight feather on each wing elongated to ~38 cm, much longer than the bird's body [source, by Dermot Breen: vimeo.com/164904425-]
493
The tectonic evolution of Earth in the last billion years
[full paper: buff.ly/3R8mLjo]
494
A self-produced film entitled "Sancy: the last ascent" by Justin Labattou is the source of this eagle equipped with a GoPro camera flying over the Sancy mountains in Puy-de-Dôme, France [video: buff.ly/3wqyqk9-]
495
On Christmas Island every year, millions of red crabs emerge from the forest and make their way to the ocean to breed, swarming across streams, rocks and... roads. There are even bridges for crabs to prevent them for being crushed [read more: buff.ly/2ZYWcaj]
496
413 years ago #Today, Galileo Galilei revealed his telescope to a group of Venetian lawmakers included the Doge bit.ly/2vokIOB
497
This video by JBA Trust uses a wave tank to illustrate how different combinations of coastal defences affect the potential for flood risk, measuring the ml of overtopping water corresponding to liters/h in real life [full video: buff.ly/2QtmVb7]
498
The story of the Ericofon, the Ericsson one-piece plastic telephone: the first to incorporate the dial & handset into a single unit, considered one of the most significant industrial designs of the 20th century & sitting in the permanent collection of MOMA buff.ly/3pI4bCU
499
The emperor penguin is the tallest & heaviest of all living penguin species. An adult reaches 122 cm & ~30 kg. This is a 97 day old chick already at 14.1 kg. It has a special type of feather called down, lightweight & fluffy
[📹 Wakayama Adventure World]
500
An accessory cloud can often be seen just above Mount Teide’s summit. Such cloud formations are always attention-getting, such as this lenticular cloud captured by Bartosz Wojczyński, staying in the same spot for hours [full video: buff.ly/35BSa98]
Astronomy, astronautics, meteorology, physics. Engineer, trying to build the big picture of #science via selected & curated pics, videos & links