651
Inspired by Edwin Abbott’s satirical novel ‘Flatland’, ‘Squaring the Circle’ is the first in Troika’s series of perspective sculpture that is perceived in correlation to the position of the observer [read more, 2013: buff.ly/2LG9D5U and more: buff.ly/3otGsFq]
652
Sometime around 30,000 years before the current era, somewhere in the midst of the land that would become Germany, a human sat in a cave and sculpted a horse. Later, we’d call it the Vogelherd horse: the earliest horse sculpture ever found [ read more: buff.ly/2NNHMoy]
653
National Geographic chose this as the best picture of 1987. This is the story of Dr. Zbigniew Religa, captured after a 23 hour heart transplant, and of his patient Tadeusz Zitkevits, who ended up by outliving his surgeon [read more: ow.ly/jz4P50wlaI7]
654
Chameleons have the most distinctive eyes of any reptile. Each eye can pivot and focus independently, allowing the chameleon to observe two different objects simultaneously
[read more: buff.ly/2q4wcW1-]
[source: buff.ly/3HjhktS-]
655
This video by MWSU Chemistry Department uses balloons dipped in liquid nitrogen to demonstrate Charles's Law, which relates the volume of a gas with its temperature
[read more: buff.ly/3wKwHGy]
[full video: buff.ly/3wHhxC8]
656
Student Esmée Kramer realized a life-like dinosaur costume from PVC pipe and foam. She made it in her free time between work and her Systems Engineering studies [source & full video: buff.ly/3065nW9]
657
This is how a troop of Langur Monkeys show empathetic behaviour as they mourn what they think is a dead baby Langur, which is actually a robotic spy monkey, designed to film the primates. At the point they hug and console each other [full video: buff.ly/2mh8444]
658
Visiting the Yosemite National Park you can happen to see a waterfall that suddenly becomes a spectacular fusion of colors, as in these footage taken by photogapher Greg Harlow in 2018
[IG: buff.ly/38OO1jq-]
[author's site: https://gregharlow.com-]
659
Ayam Cemani is an uncommon and relatively modern breed of chicken from Indonesia. They have a dominant gene that causes hyperpigmentation (Fibromelanosis), making the chicken entirely black; including feathers, beak, meat, bones, and internal organs buff.ly/2GEwTQZ
660
The number of finger joints on each hand (excluding the thumb) makes it possible to count to 12 by using the thumb. Egyptians and Babylonians were fond of counting in base twelve like this and this is why we have 24 hours in a day & 60 minutes in an hour ow.ly/H8jE30ndX0q
661
According to recent researches, the world's deadliest animals for humankind are mosquitoes, preceding another deadliest class of animals, human themselves [read more: ow.ly/EcaU30ncY26]
662
Born in 1954, Chris Evans is one of the artists who created matte paintings for many iconic movies. This is how he fooled us in the original Star Wars trilogy (and in other movies) [read more: buff.ly/3sO1aAC]
663
#Today in 1974, on a flight to the Farnborough Air Show outside London, Maj. James Sullivan and Maj. Noel Widdifield flew the Lockheed SR-71 Blackbird from New York to London in 1 hour, 54 minutes, 56.4 seconds, still a world record for that route buff.ly/3DB6Ns8
664
This neuroscience medical animation explains the effects of a concussion on brain cells
[full video, HD, Syntropy Studio: buff.ly/3Tz9lij]
665
When you cast a visible light shadow you also cast a thermal shadow. But while the former disappear when you walk away, an infrared thermography shows you the latter staying on the wall.
[source: buff.ly/3RsB6r4]
666
Announced 22 years ago #Today, the Nokia 3310 is one of the most successful phones, with 126 million units sold worldwide. It's still widely acclaimed today and has gained a cult status due to its remarkable durability [read more: buff.ly/3cD1pMe]
667
Invisibility cloaks and panels like Quantum Stealth work using the principle of lenticular lens, once used to create holographic images changing with the point of view.
[video: buff.ly/3q9ksAQ]
[more: hyperstealth.com]
668
Despite their extremely futuristic appearance, skeletonics extend the movement of a humans arms and legs without the aid of any motor and it's not powered by electricity
[source, full video: buff.ly/300Pcdw]
[read more: skeletonics-us.com]
669
The Giant Alaskan Malamute is a selectively bred Malamute that exceeds 70 kg in weight & 70 cm of height, originally bred to pull heavy goods between cities throughout Alaska. They have been recorded to pull loads up to 500 kg
[📹: buff.ly/3Rbvf9O]
670
The Whistler Tree in Portugal is over 200 years old and in a single year (1991) 2,645 pounds of bark were pulled from it without damage: this harvest alone was responsible for more corks than some trees produce in their entire 200-year lives [read more: buff.ly/3bXAnLa]
671
This diligent robot balancing a triple pendulum poses a huge and successful challenge to chaos
[by Tobias Glück, Andreas Eder, Andreas Kugi of Automation and Control Institute, Vienna University of Technology]
[full video: buff.ly/3DvRfWd-]
672
In Icelandic caves, meltwater often appears when geothermal activity increases, even due to volcanic eruptions or moving magma. This one was filmed by photographer Iurie Belegurschi in 2020 [source: buff.ly/3c8UzdC-, author: iuriefineart.com/-]
673
The story of John A. Phillips, the underachieving Princeton student who wrote a paper describing how to make a $2,000 A-bomb (vs estimates > $1 million) that could fit in U-haul trailer. He got an A but his paper was confiscated by the FBI [read more: buff.ly/3kwZz0c]
674
Steve Hathaway & Andrew Buttle were diving off the coast of Whakaari, the stratovolcano on White Island, New Zealand in 2018, when they met a huge pyrosome, a free-floating colonial tunicate that can reach up to 18 m [full video: buff.ly/3c9vC1N-]
675
Spider webs have existed for at least 100 million years, as witnessed in a rare find of Early Cretaceous amber from Sussex. This spiny orb weaver spider filmed by Rachel Barry is patiently demonstrating how they build them [source: buff.ly/30md23I]
Astronomy, astronautics, meteorology, physics. Engineer, trying to build the big picture of #science via selected & curated pics, videos & links