2351
The critically endangered Sumatran rhinos are the smallest of the living rhinoceroses and the only Asian rhino with 2 horns. Covered with long hair, they are more closely related to the extinct woolly rhinos than any of the other rhino species alive today buff.ly/3eeNU2q
2352
Only 9 years ago, the entire surface of planet Mercury was finally mapped by MESSENGER. This video is a compilation of thousands of images of Mercury rendered in exaggerated colors to better contrast different surface features [read more: ow.ly/wll630oyVvu]
2353
Aydin Büyüktas is a photographer and digital artist: he creates warped landscapes using drone photography and his works appear to curve infinitely upward and outward without a visible horizon evoking a surreal and disorienting sensation [read more: buff.ly/2HbVWrN]
2354
In 2015, archaeologists in Scotland uncovered a 2000 year-old bolt that was fired from the so called Roman Manubalista, capable of launching a 17-cm, 120 km/h armor-piercing projectile with terrifying accuracy. This is a reconstruction [full video: buff.ly/318KCea]
2355
Spider's vision made clear. How the tiny predators use their big eyes to focus in on prey [read more: buff.ly/310QIrJ] [photos by Javier Rupérez, these and more on his Instagram account: buff.ly/2ZI49R7]
2356
53 years ago #Today, the Apollo 12 Saturn V was about to launch (16:22 UTC) to achieve the second successful Moon landing bit.ly/1MBvWAp
2357
21 years ago #Today, astronaut Frank Culbertson was on the International Space Station during Expedition 3 and witnessed the September 11th attacks from space [read more: buff.ly/3hleJE4] #September11
2358
#Today in 1994, Netscape Navigator 1.0 browser was released
[read more: buff.ly/3DxBVuq]
2359
This two dimensional tromp-l'oeil, was crafted by Robert Sprachman from cedar shingles on the end wall of a garage [source and more artworks by the author: buff.ly/2ZmOAvq]
2360
The proton is an object of unspeakable complexity, one that changes its appearance depending on how it is probed. Sometimes it includes a charm quark and charm antiquark, colossal particles that are each heavier than the proton itself [read more: buff.ly/3VGgs9z]
2361
Fun fact: the fusion chamber at the Lawrence Livermore's National Ignition Facility (which recently achieved a nuclear fusion reaction with Q > 1) provided backdrop for the warp core in "Star Trek: Into Darkness" (2013)
[read more: buff.ly/3HCym8C]
2362
The NOKIA 3310 was famous for being a super solid mobile phone, but what happens if you charge it with one million volts? YouTuber Kreosan shows us here: buff.ly/2s4dcIV
2363
All objects, big or small, cast shadows and so do mountains. However, one particular peak displays a peculiar behavior – it cast shadows not only on the ground, but also up in the clouds [source, read more: buff.ly/2xso9qN]
2364
Owls bob and weave their heads to improve their depth perception. An owl’s eyes are in fact fixed in position. The owl’s varied head movements help it judge the position and distance of things around it — essentially, to triangulate on objects [read more: buff.ly/2FVePwT]
2365
The Ebers Papyrus states that ancient Egyptians used yeast of sweet beer to treat infected wounds, along with moldy bread. No one knew why: it was just 5,000 years later, in 1928, that the discovery of pennicilin explained the occasional successes obtained buff.ly/3Uq1ZNg
2366
Photographer Karim Amr Instagram account collects some of the most creative and captivating photos of Cairo and the Giza Pyramid Complex
[IG account: buff.ly/3hElqCa]
2367
Sachatamia ilex is a species of frog in the family Centrolenidae and it is found in Central America. Its silver eyes with black reticulations, positioned on top of the large semicircular head may give you the impression this frog is going to hypnotize you buff.ly/2HNflhU
2368
It's always difficult to answer what is the best focal length for a portrait. But the popular gif by @danvojtech offers a smart preview of how different focal lengths can change the look of a face
[source, read more: buff.ly/327dIoJ]
2369
The boiling point of dichloromethane is slightly below body temperature: heat from a hand increases pressure in the bottom bulb pushing the green (dyed) liquid through the glass pipe to the top [source, read more: buff.ly/3B88ZXH]
2370
Not only Moley Robotics Kitchen cooks complete meals: it tells you when ingredients need replacing, suggests dishes based on the items you have in stock, learns what you like and even cleans up surfaces after itself [learn more: moley.com]
2371
Kunho Lee and his friend built this 20" f/4 Bino Scope with a decent number of degrees of freedom for a binocular observation of the night sky in grand style
[video: buff.ly/3to1rdM]
[photos: buff.ly/3tsgT8L]
2372
30 years ago #Today, the "Peekskill meteorite" hit an unoccupied 1980 Chevy Malibu near New York bit.ly/2kBBaKj
2373
The original problem set in 1954 looked for Solutions of the Diophantine Equation x³+y³+z³=k with k being all the numbers from 1 to 100. This is how researchers solved the final piece for the most elusive number of all, 42: buff.ly/2N0TuKq [video: buff.ly/2Q2J9Qe]
2374
The false killer whale (Pseudorca crassidens) is a species of oceanic dolphin found in oceans worldwide but mainly in tropical regions. It reaches a maximum length of 6 m (20 ft). It has been known to target smaller dolphins
[read more: buff.ly/3ESyPjY]
2375
Neurons are often represented as isolated, but in reality they packed very tightly. Tyler Sloan made this animation showing 364 neurons packed into a box roughly the size of a grain of sand.
[HD: buff.ly/3WoadGZ]
[author: buff.ly/3j1jnuG]
Astronomy, astronautics, meteorology, physics. Engineer, trying to build the big picture of #science via selected & curated pics, videos & links