1726
The Glacier National Park in Montana, on the border with Canada, is home to more than 700 lakes. One of the most striking feature of some of these lakes is the presence of a variety of colored rocks & pebbles just below the water surface and on the shores buff.ly/2IpbcEA
1727
Canadian camouflage company Hyperstealth Biotechnology has applied for four patents related to their Quantum Stealth or “invisibility cloak” prototype material. The video at the company's site show the technology in a variety of viewing conditions: hyperstealth.com
1728
This is a nuclear test conducted in October 1962, last explosion of the Operation Dominc, called 'Housatonic'. An 8.3 Megaton bomb was detonated at about 3,600 meters of altitude, creating a fireball very similar to a sun [source: buff.ly/2I1uqws]
1729
The well-lit New York/New Jersey metropolitan area is viewed during the early morning hours as the International Space Station orbited 400 km above the northeastern United States in February 2020 [source, hi-res: buff.ly/3rZUcLu]
1730
Polly is the first autonomous pollination robot, applying a calibrate air pulse on selected flowers, recognizing and pollinating 97% of the specimens.
[video: buff.ly/3SSAPye]
1731
Fertilization takes place in the fallopian tubes, which connect the ovaries to the uterus. The newly fertilized cell is called zygote: it moves and burrows into the uterus lining
[📹 design_cells, p1: buff.ly/3CaqwyI, p2: buff.ly/3yeReVR]
1732
Artist BKArtchitect's artworks are often based on perspective and this clip shows how you can draw a city from above using a simple piece of string
[Author's account: buff.ly/3V08gRc]
1733
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]
1734
Scuba divers in the Bahamas were exploring a reef when they experienced what it’s like to get ‘pinged’ by a submarine’s sonar. A truly bizarre experience that surely took them by surprise
[source, full video: buff.ly/3h9U2sz]
1735
The idea of capturing light in slow motion is not new - in fact, the Femto-Photography project succeded in doing this with physical cameras, and this is how they did that
[source, read more: buff.ly/1oHoEG3]
1736
65 years ago #Today the first artificial Earth satellite was launched #Sputnik1
[source, read more: bit.ly/1QLIkQw]
1737
This Antarctic-centric world view helps you understand the real relative size of Antarctica vs the many Mercator projection maps that make it look like the biggest continent on Earth
[sources: thetruesize.com | buff.ly/2rrI5Wz]
1738
The kangaroo rat's escape response to a snake attack is less than 70 milliseconds and the quickest mammalian startle response
[full paper: bit.ly/2qyU5HM]
1739
The olm or proteus (Proteus anguinus) is an aquatic salamander in the family Proteidae. The olm's eyes are undeveloped, leaving it blind. It has been estimated that they have a maximum lifespan of over 100 years [read more: buff.ly/2VWhBeV]
1740
How to identify that light in the sky
[source, HK (The League of Lost Causes): buff.ly/2jVLeNV]
1741
How Earth will look in 250 million years according to plate tectonics theory [video: buff.ly/2I3KQ7N-]
1742
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]
1743
The Roche limit is the distance within which a celestial body will disintegrate due to a second celestial body's tidal forces exceeding the first body's gravitational self-attraction. This is how Saturn got its rings
[full video, BBC Earth Lab: buff.ly/3rXvaN2]
1744
Photographer Haukur Sigurðsson took this picture of cross country skiers that look like musical notes. And someone just put them in music
[score: buff.ly/2HWawaB]
[music: buff.ly/2ro9zNX]
[author's IG and source: haukursig.com]
1745
How Bryan Snyder captured an alligator lizard fighting back from inside the belly of a kingsnake
[source, read more: bit.ly/2wdYP4N]
1746
Having a radius of 70 centimetres (28 in), the Ljubljana Marshes Wheel is made of ash and oak; it is approximately 5,150 years old, which makes it the oldest wooden wheel yet discovered [read more: buff.ly/2jwBhUf]
1747
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
1748
The mesmerizing behavior of water drops impacting on the surface of granular particles [full video by Xiang Cheng, Runchen Zhao, Qianyun Zhang, Hendro Tjugito: buff.ly/2RxBLYA]
1749
This candle holder is made up of a clear tube that collects all the melted wax, and once the candle is fully melted, it automatically creates a new candle by forming a new candle from the melted wax [source, read more: ow.ly/rBEI30nwF42]
1750
Forests on caffeine. A recent study found that after only two years, coffee pulp treated areas had 80% canopy cover compared to 20% in the control area. The canopy in the coffee pulp areas was also 4 times taller than that of the control area [read more: buff.ly/31sWzYP]
Astronomy, astronautics, meteorology, physics. Engineer, trying to build the big picture of #science via selected & curated pics, videos & links