1876
When you think of Antarctica, pristine white icebergs usually come to mind; probably the last thing you’d expect are humbug-like striped icebergs with blue, green, yellow and even brown. But this is what Øyvind Tangen saw in 2013 and there's an explanation buff.ly/2FhPwVv
1877
#FibonacciDay is celebrated on November 23 because when the date is written like (11/23), it forms part of the Fibonacci Sequence (1, 1, 2, 3). How can you celebrate it? Go out and start looking for evidence of the sequence in the world around you buff.ly/3CKOlvx
1878
Created by morn1415 in 2016, this video about the true scale of the universe had 41 million views on YouTube and it's still a great clip to watch.
[full video, HD: buff.ly/3zWjDjt]
1879
Have you ever seen a comet from space? This time-lapse video shows comet NEOWISE as viewed from the International Space Station (ISS) on July 5, 2020 made from 340 photos as the ISS passed over Uzbekistan and Central Asia [source, NASA: buff.ly/3n9KDqq]
1880
Current benchmarks for don & doff Richard Browning's Gravity Jet Suit, speed bearing ams and demonstration of the helmet steered sidearm
[full video, HD: buff.ly/3UEFmoW]
1881
Underwater, at about 10 m (30 ft) you see human blood as green: this is due to water acting as a selective filter. The deeper you go in the ocean, the less red light there is in the sunlight that reaches you [source 1: ow.ly/VVwS30nyRrz] [source 2: ow.ly/mBNl30nyRrF]
1882
This drawing ruler allows a multifunctional design through a series of shape and a rotating protractor
[read more: buff.ly/3JYlOaM]
1883
This is a satellite view of Suloszowa, a village in Poland. Originally processed & posted by the Instragram account worldurbanplanning, it has spread on the internet because its captivating colors & geometry
[source: buff.ly/2YtLohj]
[read more: buff.ly/3gndMYH]
1884
Encyosaccus sexmaculatus is the only known species of the genus Encyosaccus. It is found in found in Colombia, Ecuador, Peru, and Brazil and it's also known as orange tortoise spider. Its bright orange coloration suggests that it might be poisonous buff.ly/2RvlMup
1885
This gibbon is probably protecting its territory or just toying the tiger cubs, but its hazardous acrobatics and grace are simply stunning
[full video: buff.ly/3TS9T39]
1886
Striking one tuning fork sets up a sympathetic vibration in the other, which can be shown by having a ping-pong ball attached to a thread
[read more: buff.ly/2GegL7J]
[resonance box: buff.ly/3ni5ruY]
[source of the clip: buff.ly/3vxrT75]
1887
In this ABC interview from 1974, science fiction writer Arthur C. Clarke makes the bold claim that one day computers will allow people to work from home and access their banking records
[full video: buff.ly/2RiX0Oy]
1888
A massive single "tomato tree" growing inside the Walt Disney World Resort's experimental greenhouses in Lake Buena Vista, Florida has been recognized as a Guinness World Record Holder, with a harvest of more than 32,000 tomatoes & a total weight of 522 kg buff.ly/301GASp
1889
The octopus is known for being the ocean's master of disguise. Yet, not always its tricks are the winning ones.
[📹 Steve Winkworth + info: buff.ly/3Q9xnPD]
1890
Photographer Mark Cowan was travelling through the Amazon studying reptile and amphibian diversity when he stumbled upon an unusual sight… A caiman wearing a crown of butterflies, which documents lachryphagy buff.ly/2LM9A9G [source of the photo: buff.ly/35vimPD]
1891
These strange solids aren't spheres and yet roll in interesting and unexpected ways. Watch some of the most curious geometries such as the Wobbler, the Oloid or the Steinmetz Solid [video, by YT channel Maker's Muse: buff.ly/2LUzXbQ]
1892
This is what an fluorescent uranium ore looks like: it absorbs ultra-violet light and it reradiates it as visible light [full video and explanation by Veritasium: buff.ly/2Ih9q8H]
1893
124 years ago #Today, Marie Skłodowska Curie discovered the radioactive element radium while experimenting with pitchblende, a common uranium ore bit.ly/2C7cnFJ
1894
In 1939, William E. Urschel created a technology very similar to the one used for today's 3D printed building. He did it behind a small warehouse in Valparaiso, Indiana and called it "Wall Building" machine
[full video: buff.ly/3tHAJiz]
1895
The Mexican mole lizard could pass for a slender, pink lizard. But the reptile doesn't have any hind legs. His lizard-on-top, worm-on-the-bottom creature appears to be a sort of serpentine centaur
[read more: buff.ly/3V5CMbe]
1896
Pallas cats' fur is nearly twice as long on their belly/tail as on their top and sides. Standing on their tails helps keep the cats warm as they hunt on snow or frozen ground
[read more: buff.ly/3MMuySO]
[📹 Roman Paulov: buff.ly/3EZuH3w]
1897
The Magnus effect is a phenomenon associated with a spinning object moving through air or another fluid. The most common example is a spinning ball curving while falling like in this clip by How Ridiculous [read more: buff.ly/2PJeIiv] [full video: buff.ly/3kS5dZO]
1898
This is how the Panama Canal works
[source of the gif, by Joe LeMonnier: buff.ly/3xzDeUC]
[a ship's time lapse: buff.ly/3g8gnW9]
1899
Remarkably well preserved but embedded in stalactites and covered in a thick layer of calcite, this skull has given the oldest known samples of Neanderthal DNA, dating back between 128,000 and 187,000 years ago [read more: buff.ly/2EBzrtj] #AltamuraMan
1900
An autostereogram is a single-image stereogram, designed to create the visual illusion of a 3D scene from a two-dimensional image. Often called 'Magic Eye', not everyone is able to see the hidden image, but you can use a trick: magiceye.ecksdee.co.uk [buff.ly/2J5DAwO]
Astronomy, astronautics, meteorology, physics. Engineer, trying to build the big picture of #science via selected & curated pics, videos & links