1751
This rare footage of humpback whales creating ‘bubble nets’ to snare their prey has been captured by drones from high above and from POV footages, with ‘whale’s-eye view’ recorded by cameras attached to them with suction cups [full video: buff.ly/31qV4rJ]
1752
The interaction between electrical fields and liquids leads to a phenomenon defying intuition, called the floating water bridge
[full video, Elmar Fuchs: buff.ly/3CrxKzI]
1753
Prosthesis is called 'the anti-robot' because it has no automation and is 100% controlled by the person inside via the exoskeletal interface. This is why it is what is known as a mech, not a robot
{learn more, exosapientech: buff.ly/3SzAMrh]
1754
The Nokia n91 released in 2006 was the first ever phone encompassing a 4 GB internal hard drive, allowing storage for 3,000 songs
[read more: buff.ly/3e0asYt]
[📹: buff.ly/3roPw0f]
1755
"Spinning levers" (1936) is an educational documentary commissioned by Chevrolet Motor Company, explaining how a manual car transmission works. The mechanism making it possible to have different gears is a series of levers, levers that spin [full video: buff.ly/3frZPvT]
1756
Tribolonotus gracilis, commonly known as the red-eyed crocodile skink is endemic to New Guinea, where it lives in a tropical rainforest habitat. It was first described by Nelly de Rooij in 1909 [read more: buff.ly/3RxaMeZ]
1757
These oogpister and bombardier beetles have developed a deadly defence mechanism - a sharp spray of boiling acid from the rear
[full video, BBC Earth: buff.ly/3pHfc74]
1758
Auto-targeting fire sprinkler systems are intelligent fire extinguishing equipments used in interior large spaces
[read more: buff.ly/2TzaR6R]
[📹: buff.ly/3fEcMVi]
1759
Andreas Wannerstedt crafts unique 3D sculptures and mesmerizing looping animations. His synchronised animations have often been described as “oddly satisfying”, since the overall effect evokes a hypnotizing feeling [Instagram: buff.ly/2Bd8obg]
1760
This is a small motion test for Engineering Arts' Mesmer robot head. This head and neck has 22 custom servo actuators, but only 5 around the mouth which is not enough for really good lip sync (therefore, no talk) [video: buff.ly/3DKVPPq]
1761
This deceiving grid tricks you into thinking there's a curved line somewhere, but you can't find it. The purposefully placed gray lines will induce your peripheral vision to interpolate curved lines
[image by Lesha Porche. Explanation: buff.ly/3b79VC8]
1762
This video captured by Jess Wandering in 2019 on the Alpstein massif in Switzerland, shows the difference in weather between two sides of a mountain due to the orographic effect buff.ly/2AYH6pJ [source: buff.ly/2OE2G6p] [full video: buff.ly/2ODPOx7]
1763
Porcupines' quills take on various forms, depending on the species, but all are modified hairs coated with thick plates of keratin. This video by Mariette Landman shows what a formidable defense they constitute
[video, HD: buff.ly/3DKOe3y]
1764
This picture by Sue Dougherty shows strings of tiny water droplets forming lines across a common loon’s face, visualizing the natural hydrophobic coating properties of its feathers
[source: buff.ly/3r5BdN8]
[read more: buff.ly/3yppOeU]
1765
Waves reflecting underwater produce a caustic network: the envelope of light rays reflected or refracted by the sea surface, or the projection of that envelope of rays on the sea floor [read more: bit.ly/2CiZupq] [clip by Nolan Omura]
1766
What are those red filaments in the sky? They are a rarely seen form of lightning confirmed only about 30 years ago: red sprites. This image was taken by Yuri Beletsky in 2021 from Las Campanas observatory in Chile [read more: buff.ly/31JcBOB]
1767
Agate is a popular gemstone that’s a banded form of finely-grained quartz. One variation of the stone features tiny, abstract scenes that resemble mountains, rivers, and skies. This has earned them the nickname “landscape agates” [source, read more: ow.ly/oUoc50wO0xx]
1768
The incredibly well-preserved, painted ceiling at Egypt’s Temple of Hathor is part of the main temple at the Dendera Complex which was built around 2250 BCE and is regarded as one of the best-preserved temple complexes in Egypt [read more: buff.ly/2HWU5Xi]
1769
Some of the very first sea creatures to be able to walk didn't make the most of their new evolutionary advantage and stayed in the oceans. The little skate fish is one of the most primitive animals with a backbone showing a walking-like behavior buff.ly/2Mma85x
1770
Though the great argus is not as colorful as other pheasants, its display surely ranks among the most remarkable. The male dances before the female with his wings spread into enormous fans buff.ly/3iVzfKV [📹️ Mel Cutler: buff.ly/3enphhH]
1771
If you have never seen what a rocket launch looks like from a plane above the clouds & by night, this surreal view of InSight liftoff from Vandenberg Air Force Base captured by Leslie Radosevich in 2018 is your thing
[full video: buff.ly/2WCp0A7]
1772
The telescpefish has large-lensed forward-pointing eyes—which are adapted for optimal binocular light collection and help them to better judge the distance of prey
[read more: buff.ly/2ZGP9S1]
[📷 Dave Johnson: buff.ly/3BZgj8l]
1773
In this 1985 documentary, James Burke talks about uniting people in an electronic community erasing physical distances. An accurate prediction of Internet and how politics will change in the digital age
[📹 «Worlds without end»: buff.ly/3LXiE8o]
1774
One of the most incredible scenes in nature documentaries. A hatchling marine iguana attacked by snakes hunting en masse
[Full clip, BBC Planet Earth II: buff.ly/3EcS4GA]
1775
The story of Jerry Lawson, the man who designed the Fairchild Channel F video game console, led the team that pioneered the commercial video game cartridge and was thus dubbed the "father of the videogame cartridge" [read more: buff.ly/2MHRnfJ]
Astronomy, astronautics, meteorology, physics. Engineer, trying to build the big picture of #science via selected & curated pics, videos & links