1851
The Sahara desert's area is 9,200,000 square kilometres (3,600,000 sq mi) and is comparable to the area of the United States
[map: thetruesize.com]
[read more: buff.ly/2WXqqWb]
1852
Using his signature palette of gray and white bricks and unique parts, Mitsuru Nikaido reimagines marine life, insects, and land animals as mechanical, robot-like characters built entirely with LEGO
[more creations: buff.ly/3DhqIgp ]
1853
A photograph can evoke a vivid sense of place - but this picture by Beh Hall with flamingoes flying through the Chilean Andes is possibly capturing the best from the interaction between animals and the environment [source: ow.ly/B6cM50x4zL3]
1854
Astropecten articulatus, the royal starfish, is characterized by its bold colors. It has a purple granulated disk, which is the central region of the sea star, and the purple color continues to extend to its five flat rays, which are its arms [read more: buff.ly/2sf403W]
1855
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
1856
YouTube channel Warped Perception mounted a GoPro camera inside of a car tire and drove the car around to see what it looks like inside of a wheel when we drive around every day [full video: buff.ly/2BM4gjw]
1857
This picture captured by wildlife photographer Martin Harvey, shows how flamingos hunt in packs, flocking together in their thousands in the search for food around the lakes of Kenya
[source, read more: buff.ly/2kqNKJC]
1858
My kidney transplant will be on Wednesday, Nov 2nd. My sister and I will be hospitalized on Monday, Oct 31st. As a consequence, this account will stop its activity for some time as of today. Thanks again for your support and for following my account 1/🧵
twitter.com/Rainmaker1973/…
1859
Since I don’t know when I’m back, I hope the account is not suspended while I’m absent. Today it was blocked for 12 hours after a tweet about universe expansion, marked as violating Twitter rules, for posting ‘non consensual nudity’. See the thread twitter.com/Rainmaker1973b…
1860
Small update: it’s a quite painful and anxious journey. The operation went well but both, my sister and I have some complications making this period quite hard and long. Last night I had fever and doctors are investigating into the issue. Thanks for your messages and wishes
1861
My infection is still under investigation/therapy. My sister is about to be discharged: I’m thankful for the time spent together. She’s my twin, my new mom & even a daughter, to me, now. Thanks for your loving tweets. While still here in hospital, I’ll slowly restart this account
1862
This footage by Scuba Ventures in Kavieng, Papua New Guinea, shows one of the rarest animal sightings in the world: a Chirodectes maculatus, an incredibly rare genus of box jellyfish which had only been sighted once before [source: bit.ly/3AM28Ew]
twitter.com/ScienceIsNew/s…
1863
Cory Boone from Edmund Optics made this clip explaning how astigmatism works
[read more: buff.ly/3DW1UL8]
[source, more videos: buff.ly/3E3w3bA]
1864
The most iconic: a group photo of engineers and technicians in the cleanroom at NASA Goddard, captured in the spring of 2017, before the telescope was transported to NASA Johnson for cryogenic testing [Photo by NASA/Desiree Stover; source, read more: buff.ly/3qA1svd]
1865
Hiking in the mountains in North of Scotland, the author of this video came across a dried up river bed with a fresh water spring pouring thousand of liters out of it
[read more: buff.ly/3hxCY55]
[source, he_grows: buff.ly/3UHWlXt]
1866
A candle snuffer is a clever and extremely simple mechanical device that can automatically extinguish a candle in case one forgets to blow it out
[source: buff.ly/3hqGPAR]
[this specific model: buff.ly/3DWwowr]
twitter.com/NaoCasanova/st…
1867
In this digital hourglass by BitBlt_Korry, controlled by a Raspberry Pi Pico & running code in MicroPython, iron filings fall between two pieces of plexiglass while numbers appear, counting down 30 seconds
[source, read more: buff.ly/3NWVDTP]
1868
A nunatak is the summit of a mountain that protrudes from an ice field or glacier. A great example was captured in this photo by climber photographer Renan Ozturk in Antarctica [source: buff.ly/32zAmfK] [location: buff.ly/31cjXNH] [more: buff.ly/3JrAChF]
1869
The human brain contains approximately 100 billion microscopic cells called neurons - about the same as the number of stars in the Milky Way galaxy. This is how they communicate
[source, Helix Animations: buff.ly/3htOiPC]
1870
Puglia is a region where ancient olive trees often sport bizarre, fantastical shapes, often twisting and turning about themselves. L’Ulivo Pensieroso (the Thinking Olive Tree) is a (possibly 500 year old) plant with a very peculiar human appearance: buff.ly/3mPS9V5
1871
The mesmerizing defensive display of a hognose snake. Thankfully, most varieties of hognose snakes are considered harmless to humans.
[read more: buff.ly/3A5T9gq]
[source: buff.ly/3DWn8Zo]
1872
This is Bruce, the animatronic Shark used for Steven Spielberg's 'Jaws'. While the stories of its malfunctioning are legendary, it showed how effective an animatronic special effect could be
[read more: buff.ly/2QxyoGD]
1873
The story of HNLMS Abraham Crijnssen, the Dutch minesweeper that avoided Japanese aircraft in 1942 and escaped to Australia by disguising as a tropical island, covered in foliage and with rocks painted on the hull, only sailing at night
[read more: buff.ly/2DoTPTJ]
1874
The olinguito is a mammal of the raccoon family Procyonidae that lives in montane forests in the Andes of western Colombia and Ecuador. The species was described as new in 2013
[read more: buff.ly/2saAQna]
1875
At Mount Fanjing, Guizhou province, China, two temples sit atop a lonely spire called the Red Clouds Golden Summit, rising more than 100 meters above the surrounding mountaintop
[read more: buff.ly/2UxyJu7]
[source 📹: buff.ly/3DSnLms]
Astronomy, astronautics, meteorology, physics. Engineer, trying to build the big picture of #science via selected & curated pics, videos & links