351
The Stepping-Feet Illusion features two rectangles apparently moving like a pair of stepping feet, but they're actually moving at the same constant speed.
The illusion is broken when the striped texture is removed.
[source, read more: buff.ly/3eSzghH]
352
This neuroscience medical animation explains the effects of a concussion on brain cells
[full video, HD, Syntropy Studio: buff.ly/3Tz9lij]
353
Reef squid possess a rare combination of semitransparency and the ability to change body color via chromatophores: this one shows how rapidly they can perform a body color change.
[📹 fishingaroundus: buff.ly/3bBndaB]
354
Photographer David Canales captured this outstanding photograph while kayaking on Alaska’s Prince William Sound. A seagull attacking an eagle that has another seagull in its grasp [source, read more: buff.ly/2FoUGyQ]
355
This bonsai tree, currently housed in the U.S. National Arboretum in Washington, D.C, was planted in 1625, it's 397 years old and survived the bombing of Hiroshima, still growing today [read more: buff.ly/2H0sy6W]
356
This data visualization by @nicolaraluk shows the occurrence of earthquakes on Earth between July 2017 and July 2018, but differently from other charts, this ones shows them with their depth. Here you can find the interactive version: buff.ly/2qtZ9yn
357
Japanese farmers rediscover ancient rice-growing technique that boosts production without the need for chemicals. Using ducks instead [read more: buff.ly/2Hy0S9G] [video: ow.ly/tJeW30npsXA]
358
This snow leopard was filmed a few years ago in the Himalayas by Prasenjeet Yadav. The internsity of the expression on his face and his eyes are a unique documentation of observation in the wild.
[source, read more: buff.ly/3FnJ3dP]
359
When a seagull will repeatedly stamp its feet in a rhythmic pattern, that is called the rain dance. It mimics the rain by vibration to brings earthworms and other bugs to surface
[read more: ow.ly/nUmM50nZ0ug]
360
Flow Wall Desk by Rober van Embricqs acknowledges the potential how to combine functionality with art: a piece of functional art that builds on the design track record of transformations in space
[read more: robertvanembricqs.com]
361
There are no plants in this picture.
pink: orchid mantis
brown: ghost mantis
dark green: hooded mantis
light green: leaf insect
grey: cat-eyed mantis
[source: buff.ly/3Q0XfLI]
362
Giant sequoia specimens are the most massive individual trees in the world. Record trees have been measured at 94.8 m tall & 9 m in diameter. Outdoor adventure photographer Quin Schrock captured the scale vs a human
[source: buff.ly/3GNmT3s]
363
Salar de Uyuni is the world's largest salt flat. Following rain, a thin layer of dead calm water transforms the flat into the world's largest mirror, 129 km across [read more: buff.ly/37Ugxma-] [source, David Houncheringer: buff.ly/370vKSj-]
364
Watch Delta Robot (right) and compact LR Mate 200iD robot (left) sort and move sets of four batteries with mesmerizing, seemingly-endless rhythm
[source: buff.ly/2ZVYkig]
365
This clip by Gelmini Macchine shows a Parmesan cheese cutting line at work
[full video: buff.ly/3H1MOUI]
366
The Glacier National Park in Montana, on the border with Canada, is home to more than 700 lakes. One of the most striking feature of some of these lakes is the presence of a variety of colored rocks & pebbles just below the water surface and on the shores buff.ly/2IpbcEA
367
Fruit farmers' most difficult task is organizing the havest. Tevel's drones select, pick and box only ripe fruits with the help of an AI working day and night
[full video: buff.ly/3APys9i]
368
The EVNautilus team of researchers spotted this elegant Cirroteuthid octopus dancing at a depth of around 1,600 meters. It measured an estimated 20 centimeters across and entertained the team for more than five minutes [source and full video: buff.ly/30aoz08]
369
Photographer Peter Maier captured this jaw-dropping timelapse of a cloudburst over Lake Millstatt in Carinthia, Austria [source, full video, HD: buff.ly/2Mv5n7G]
370
Bastien Dausse's "Moon" is a show imagined as a living and acrobatic exhibition, conceived as an accumulation of surprising antigravity devices. This one simulates the lunar gravity.
[source: buff.ly/3HOAqbT]
[video: buff.ly/3OnOTOe]
371
Tigers have striped skin not just striped fur. The stripes are like fingerprints and no two tigers have the same pattern. A tiger's stripes help to break up the outline of its body and make it hard to see [read more: buff.ly/3h0yfmN]
372
If you think dragons are just imaginary creatures look at this draco lizard. While it's certainly smaller than you probably expect, it's nothing short of impressive
[source, read more: buff.ly/3BYfUo7]
373
How do emperor penguins stay warm enough to survive in -40°C or colder? This group of penguins demonstrates the dynamics of staying warm: an ever-shifting positions within a massive huddle ensures that no penguin is on the outside of the mass for too long buff.ly/32ldAmC
374
Burning steel wool makes it heavier. Why? The increase in mass comes from the additional oxygen that combines with iron to form a new solid, iron oxide.
Fe(s) + O₂(g) ➝ Fe₂O₃(s)
In other words, fast rusting.
[read more: buff.ly/2QJ21Bc]
375
Fractal spirographs are generated by tracking a series of circles rotating around each other as shown in this animation by PantheraLeo1359531
[source: buff.ly/3LcfOf7]
Astronomy, astronautics, meteorology, physics. Engineer, trying to build the big picture of #science via selected & curated pics, videos & links