1726
Yosuke Ikeda created this interesting marble machine called AlgoLoop (Algorithm + Loop), where each click determines the motion of the marbles along the loop, in single, double and quadruple versions
[video: buff.ly/3yVNI08]
[Kickstarter: buff.ly/2XbePH9]
1727
While cheetahs might look like majestic and dangerous beasts, actually, they are very nervous beings. That's why some zoos give them rheir own emotional “support dogs” [read more: buff.ly/2sN4Bem]
1728
When a blue-tongued skink is threatened by a predator, it performs an amazing defensive bluff by turning to face the predator head-on, opening its vast mouth, and wagging it’s brightly colored tongue
[source: buff.ly/3Fza78L]
[📹 Dr Chris Jolly]
1729
The diamond squid can grow to 100 cm in mantle length with a maximum weight of 30 kg. This remarkable picture was taken by Steven Kovacs in Blackwater dive off Palm Beach, Florida
[read more: ow.ly/t4lK30o4HDS]
[📷ow.ly/baFU30o4HE9]
1730
Using long exposure photography and a custom built lighting rig covered in colored gels, Daniel Mercadante created what he calls Rainbow Roads
[read more: buff.ly/2Jw61Ds]
1731
This video by Joel Sartore shows a wolly monkey, native from the rainforests of South America. It's now considered highly endangered
[read more: buff.ly/3s776G9]
[source and more videos: buff.ly/3B5Kdah]
1732
Pumice is a lightweight, bubble-rich rock that can float in water. It is produced when lava goes through rapid cooling & loss of gases. This clip was captured on a beach of Yoron island [read more: buff.ly/3Gi78kI-] [source: buff.ly/3E2Uqo2-]
1733
This illustration shows what would happen if all of the water on or near the surface of the Earth were bunched up into a ball. The radius of this ball would be only about 700 km, less than half the radius of the Earth's Moon [read more: buff.ly/3xRTaU3]
1734
This short clip shows the process of digging, extracting cleaning and enjoying crystals
[📹 rocksforthespiritt: buff.ly/3PwWJFh]
1735
This video by Artur Homan shows a parasitic cuckoo chick at work. It'll throw the other eggs out of nest and the predisposed parental urge of the victim birds will ensure it'll have food and care
[source, full video: buff.ly/357GexV]
1736
To catch their prey, blue-footed boobies can dive deeper than 20 meters and for longer than 30 seconds, but their dives usually are rather shallow and short. They plunge into the water from as high as 100 meter. And totally synchronized [full video: buff.ly/2Jc3RF8]
1737
The science of chapati, the expandable flatbread from the Indian subcontinent [read more: buff.ly/2It36Yp]
1738
When we knew what an electron looks like for the first time [read more: bit.ly/2jiXR4G]
1739
Our brains reveal our choices before we're even aware of them. A recent UNSW study suggests we have less control over our personal choices than we think, and that unconscious brain activity determines our choices well before we are aware of them ow.ly/JCfA30nWFyV
1740
A continental drift flipbook, by Christopher Scotese
[full paper & DYI: buff.ly/3YogZP6]
1741
Egyptians invented papyrus paper at least 5,000 years ago, revolutionizing the written word. Today, just one village still makes the paper and this Business Insider video documents the art and the industry of this ancient craft [full video: buff.ly/3tgtagH]
1742
Oysters are able to filter (and ultimately clean out) water through their digestive system
[read more: buff.ly/2nnCNxp]
[source, oysterrecovery: buff.ly/3R8R3Ch]
1743
In the 1980s the U.S. Army figured that around half of the landmass on the planet was impassable by conventional wheeled or tracked vehicle, so it partnered with Ohio State University to build this: the Adaptive Suspension Vehicle
[source, read more: buff.ly/2R7nt3q]
1744
Paradise flycatchers most telling characteristic is the long tail streamers of the males. This is a male feeding the chicks
[read more: buff.ly/3cL9mPu]
[📹 Kapil Rai: buff.ly/3qbSh4k]
1745
The story of the 1983 Steve Jobs letter where he informed the sender that he did not sign autographs, paradoxically leaving his signature at the bottom of the page. It sold at an auction in 2021 for $500k
[read more: buff.ly/3QHWd8P]
1746
This is what you see when you fly through the Sun’s upper atmosphere.
The "view from the window" of the Parker Solar Probe, which was the first to complete the sampling of particles and magnetic fields there
[read more: buff.ly/3ebMUQx]
1747
The Zarplotter is a four motor drawing robot originally created By Randy Szarzynski and others in California. ZipScriptPro is a smart variant that can write a letter exactly as if it was handwritten
[full video: vimeo.com/223048367]
1748
The frisbee wall ride trick shot is one of the best visualizations of the physics of the flying disc buff.ly/2GhTa7b [source of the gif, Dude Perfect: buff.ly/2VaAM3P]
1749
The Logarithmic Spiral Gears is an extreme example of non-circular gear sets. It's based on the famous Fibonacci spiral and evokes the cross section of a nautilus shell with internal chambers
[source, read more: buff.ly/3obaPPN]
1750
Not only is this duckling adorable, but the photograph wonderfully illustrates the waterproof abilities of ducks. A special gland called the uropygial gland produces an oil that the ducks spread over their bodies to make their feathers water-repellent buff.ly/2Klx3ei
Astronomy, astronautics, meteorology, physics. Engineer, trying to build the big picture of #science via selected & curated pics, videos & links