2426
Living off the coast of south Australia, weedy seadragons (Phyllopteryx taeniolatus) resemble swaying seaweed making them difficult to find in their natural habitats, even though they can grow to about 46 cm in length [source, full video: buff.ly/2BJHGEK]
2427
Pāhoehoe is a basaltic lava that has a smooth, billowy, undulating, or ropy surface. These surface features are due to the movement of very fluid lava under a congealing surface crust [picture by Sparky Leigh, 2011: buff.ly/2XevSpG]
2428
The spectacular wingtip vortices generated by the smoke and the low passage of this old Hawker Sea Fury
[full video, Elliot Seguin: buff.ly/2HFFP8g]
2429
Illustator Jf Lemay [IG: lemay.jf] made this illusion which, thanks to the black background, is very difficult to break, but it's based on reverse perspective (like Patrick Hughes' artworks) [one seen side-on: buff.ly/36IsjMs] [source: buff.ly/3rvDznH]
2430
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]
2431
Kristy Paniptchuk filmed this clip in 2020 on an Alaskan river.
The fact the moose appears to walk on water (crossing the boat's path) is due to the shallow water and to the boat's jet motors
[read more: buff.ly/3QCOIiJ]
2432
All the ~7.7 billion people composing the human race today, would fit into this cube [source, by @waitbutwhy and read more here: buff.ly/2pBxEi8]
2433
This is the oldest surviving aerial photograph, taken 43 years before the invention of the airplane, 162 years ago #Today bit.ly/1EaL7fl
2434
La Plata is a planned city, urban planning paradigm of the late 19th century, designed in a very strict grid-pattern form, and with many avenues and diagonals
[read more: buff.ly/2MCbrgn]
[video: buff.ly/3DBm5PL]
2435
1905 is called Albert Einstein's annus mirabilis, because of the four papers that shook the foundations of modern physics. They were about the photoelectric effect, the brownian motion, the special relativity and the mass-energy equivalence. He was 26 buff.ly/3rY7EMD
2436
This photographic comparison shows the Anak Krakatau volcano, before and after the explosion which caused the deadly tsunami on December 22, 2018 [source: ow.ly/zUru30nhrqW]
2437
What happens to a flame in an electric field? When the extra high tension power supply is switched on, the electric field splits the flame in two opposite directions due to the air molecules ionised by the flame [Full video by Animated Science: buff.ly/31NfAJi]
2438
In the 1990s an oil exploration company dredged up brine shrimps larvae while drilling near the Great Salt Lake & when the the crew placed them in water, some of them hatched. Radiocarbon dating estimated they had been lying there for 10,000 years [more: buff.ly/1PrFfbq]
2439
'Vida' is a glass sculpture by Jack Storms made with 32% optical lead crystal, optical crystal and dichroic glass
[source, read more: bit.ly/2wVmE1M]
2440
Sculptor José Manuel Castro López carves granite and quartz rocks into fluid sculptural works. His illusory sculptures appear as if moulded from clay with soft, fabric like folds and creases, challenging the materiality of the mineral rocks used
[more: buff.ly/3ENXnLh]
2441
A clever solution for the Escher cube, by Pierpaolo Andraghetti
[source: vimeo.com/120223777]
2442
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]
2443
In this video, @ProfBrianCox shows how and explains why a bowling ball and a bunch of feathers fall with the same speed in a vacuum vs they behaviour in a normal atmosphere
[full video this video: ow.ly/jRZG30oduEo]
2444
We saw dust devils appear everywhere in clips posted in recent years (even on Mars) but this one is quite remarkable, even capable of forming in a room & through an open window
[read more: buff.ly/3BHlyYi]
[video: buff.ly/3FYsDGC]
2445
The mineral pyrite, or iron pyrite, also known as fool's gold, is an iron sulfide with the chemical formula FeS₂. It can be found in nature with almost perfect cubic formations like these ones [read more: buff.ly/2Llz1Lw] [image: buff.ly/2JdbqMk]
2446
Wall Printing Machines can print in high quality CMYK + white colors, at an effective resolution of up to 720*2880 dpi. The ink is UV cured in milliseconds after printing, so you can touch or even wash it immediately.
[read more: buff.ly/3VfjYrb]
2447
The Seven Sisters is a waterfall in Norway which consists of seven separate streams, and the tallest of the seven has a free fall that measures 250 metres (820 ft)
[read more: buff.ly/2xMbSjo]
[📹: buff.ly/2GXVpfx]
2448
This green heron learned to fish with a piece of bread as a bait
[read more: bit.ly/2uQrH3h]
[full video: buff.ly/32t5lFC]
2449
Inspired by artists such as Dali, Caravaggio and HR Giger, Mike Dargas studied various techniques and since his youth developed a passion for realism, which he narrowed down over the years to hyperrealism. This is one of the oil paintings he realized ow.ly/rWjo30o9Xav
2450
Artist Patrik Proško’s core principle lies in the manipulation of lived reality, most often through a specific method of optical illusion and a variety of artistic devices. This is his Jack Daniel’s anamorphosis
[author's site: prosko.cz]
Astronomy, astronautics, meteorology, physics. Engineer, trying to build the big picture of #science via selected & curated pics, videos & links