1326
The 12-Faced Holoscope is a type of kaleidoscope based on truncated Platonic solids by artist Gary Allison. Through the symmetry of the reflections, these triangles appear as an infinite array of tetrahedrons [source, read more: buff.ly/2MUvhmo]
1327
Believe it or not, approximately 1/3 of all tracked space debris orbiting Earth comes from just two distinct events: China's anti-satellite test in 2007, and the collision between a defunct Soviet satellite with an operating U.S. spacecraft in 2009 ow.ly/Gazd50wO1rZ
1328
This floating bridge built in the Shiziguan area of the Hubei Province, China is 500 m long and 4.5 m wide. It was built over a winding river whose maximum water depth is ~60 m
[read more: buff.ly/3dHD5FT]
[source: buff.ly/3yeWNCi]
1329
The wolf is the largest member of the Canidae family. On average, adult wolves measure 105–160 cm in length and 80–85 cm at shoulder height, but weight and size increase proportionally with latitude. Half wolves can sometimes be even larger [source: buff.ly/31LRRcl]
1330
The Impulse Fire Extinguishing System (abbreviated IFEX) is a series of firefighting equipment that uses small amounts of water fired in high velocity bursts to put out fires
[read more: buff.ly/2FMauvZ]
[source, OSP Krasiejów: buff.ly/2jz1sd3]
1331
Gears, couplings, and drives - all made with LEGO
[source, Brick Experiment Channel, full video: buff.ly/3fCMe77]
1332
Most female cheetahs spend their lives without raising a single cub to maturity. The species is dependent on "supermoms", particularly adept at raising cubs. One supermom, Eleanor, has mothered at least 10% of all adult cheetahs in the southern Serengeti ow.ly/lVQp30nxEvw
1333
Cosmic Eye is a short movie designed by astrophysicist Danail Obreschkow. The movie zooms through all well-known scales of the universe from minuscule elementary particles out to the gigantic cosmic web
[full video: buff.ly/3en2xjM-]
1334
This is what WW I trenches look like today. This is a report of how nature claimed back warfare structures and what is the new geology of Europe where the war was fought [source, read more: buff.ly/2kx3R8m]
1335
A breathing Earth: the annual pulse of vegetation, land and ice in a populat gif by illustrator and data visualizer John Nelson [source, read more: buff.ly/3IttyjY]
1336
These are the movements of bird populations spanning the entire year for 118 species throughout the Western Hemisphere [source: buff.ly/2pcAn0a]
1337
The Balamand University in the northern district of El-Koura, Lebanon, has a set of stairs painted as the spines of books [more photos: buff.ly/30bOZop]
1338
Bats and dolphins evolved echolocation in the same way (down to the molecular level). An analysis revealed that 200 genes had independently changed in the same way and this is an extreme example of convergent evolution [read more: ow.ly/xkfk30nysHa]
1339
This scale model shows how mangrove forests protect the coast. Mangrove forests are an essential component of the coastal defense systems in many places in Vietnam. This simple model makes it very easy to understand [paper: buff.ly/2KFID40] [gif: buff.ly/2VUWr0J]
1340
Capybaras are semiaquatic mammals and are superb swimmers, capable of holding their breath underwater for up to 5 minutes at a time. This clip by Fernando Maydana shows a capybara like you've probably never seen before buff.ly/3j5Q4Tg [full video: buff.ly/38WgceS]
1341
The importance of dams and civil engineering in the management of geological risks. Simple mountain spillways can be a very effective measure in reducing the impact of torrential floods [source and full video: buff.ly/35McK4p]
1342
Nara Park, Japan is home to over 1200 wild sika deer. This clipcaptured by Kazuki Ikeda in March 2020 shows some of them relaxing by cherry blossom trees when the park was closed to tourists due to the pandemic [source, read more: buff.ly/3czFK4L, buff.ly/3m3luf3]
1343
This very popular photo captured by Timothy C. Roth from Task Force Turtle portrays a snapping turtle that emerged after hibernation carrying the "earth" on its back [read more, full story: buff.ly/3IFhlJ5]
1344
Genetics for (g)ummies
[source, Jacinta Bowler: buff.ly/3e0mDVa]
#SundayFunday
1345
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]
1346
The Gablok concept is a series of insulated blocks, a customized floor system as well as insulated beams and lintels that will allow to build the exterior and interior walls of a wooden house
[read more: gablok.be/en/]
1347
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]
1348
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]
1349
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]
1350
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]
Astronomy, astronautics, meteorology, physics. Engineer, trying to build the big picture of #science via selected & curated pics, videos & links