626
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]
627
Dolphins enjoy surfing ocean waves and it's very likely they have been doing this for millions of years. No suprise if they kindly ask you to get out of the way
[read more: ow.ly/llJU30nrOki]
[📹 Lucas Englert: buff.ly/3fge4pt]
628
'Relativity' is a lithograph print by artist M. C. Escher, first printed in December 1953. It depicts a world in which the normal laws of gravity do not apply. This is an animated version of the famous artwork [source: buff.ly/3xkiJO2]
629
Panulirus ornatus is a large spiny lobster with 11 larval stages. It migrates annually from the Torres Strait to Yule Island in the Gulf of Papua in order to breed
[read more: buff.ly/3C7uLg2]
[photo: buff.ly/3wbjMhV]
630
You can make a glass sing with your fingers, but can you play Sugar Plum Fairy by Tchaikovsky? The Glass Duo did it, among the other impressive performances [full video and more: buff.ly/37cetm7] [the physics behind the sound: buff.ly/36UkOCo]
631
When marine biologist Roger Hanlon caught this creature on camera, he said he screamed bloody murder. And no wonder. A superb visualization of how chromatophores allow an octopus to blend in with the backdrops
[source, read more: buff.ly/30m3fL9]
632
That's how a wooden chess piece is made
[video: buff.ly/3Ggq4SX]
633
The Komondor, also known as the Hungarian sheepdog or 'mop dog', is a large, white-coloured Hungarian breed of livestock guardian dog with a long, corded coat [read more: buff.ly/2HEAONm]
634
The world's known loudest sound. When the Krakatoa volcano erupted in 1883, the sound of the explosion was so loud that it ruptured the eardrums of people 40 miles away, traveled around the world four times, and was clearly heard from 5,000 km away buff.ly/1rOmT8F
635
This photo is black and white, but that grid tricks your brain into seeing a colour image.
It's called the 'colour assimilation grid illusion'.
[source, read more: buff.ly/2YBCj7q]
636
The story of the unusual friendship between a female grey wolf and a male brown bear. They were spotted every night for 10 days straight, spending several hours together between 8pm to 4am. They would even share food together [read more: ow.ly/rKP350Afeni]
637
It never gets old. When a helicopter's propeller is perfectly synced with the camera frame rate, the result is always astounding
[why it happens: buff.ly/34ZNsl5]
twitter.com/ScienceGuys_/s…
638
This video shows how traditional Uzbek bread is made. The doughs are baked upside down, where the heat keeps them in place and the bakers know exactly when to grab them out of the oven before they fall off
[📹 Pure Life: buff.ly/3FMoN2i]
639
A lightbeam book's lightbeam is not a real light. It's literally a cardboard cutout inserted behind a see-through page, but it frames a nice optical illusion, not only for kids
[source, miterapiaconximena: buff.ly/3tTDmh2]
640
The story of Dr. Khurshid Guru, who created a nebulizer on an Air Canada flight, using a water bottle, a cup, oxygen, and an adult inhaler to help an asthmatic toddler breath
[read more: ow.ly/UVYa30nc83t]
641
To celebrate the opening of a factory in China in 2012 Nissan teamed with artist Paul Veroude to create "Journey in Motion", a Nissan Teana taken apart to its individual pieces
It gives an idea of the complexity of a car
[video: buff.ly/3QFzslw]
642
Fish can use jellyfish as a suit of armor and general protection from predators, as we can see in this footage captured by Brent Collins while snorkeling along Double Reef on Guam in 2013
[source: ow.ly/q3CV50xAUQC]
643
Middle-class home comes to light in Pompeii. A cupboard that had stayed unopened for 2,000 years, was found complete with dishware, glass plates, ceramic bowls and vases. In the findings also ornaments and a bed [read more: buff.ly/3SteLL7]
644
The story of Jadav Payeng, the man who planted one tree every day for 37 years on Majuli Island. He has now created a forest and wildlife reserve twice the size of Central Park in New York
[read more: buff.ly/3VpCY65]
645
This video shows how a musket worked in the XVII-XVIII century, and how and armor of the time could stop its lead ammunition, saving the life of its bearer
[source, donjuandaustria: buff.ly/3PdtAjS]
646
One of the most incredible scenes in nature documentaries. A hatchling marine iguana attacked by snakes hunting en masse
[Full clip, BBC Planet Earth II: buff.ly/3EcS4GA]
647
The formula to find the number of image formed by two mirrors placed at some angle is
n = (360 / ϑ) - 1
In this case, a "catleidoscope" of 8 cats, is obtained with ϑ = 40°
[source: buff.ly/3VQ6stJ]
[read more: buff.ly/3iFmVCD]
648
In this video, a diver stumbles across a whale shark trapped in a commercial fishing line in a marine sanctuary that bans fishing, while the giant fish lies still while the rope is cut. The footage also shows the scale of a whale shark vs a human [video: buff.ly/32wdSGJ]
649
Yamaha Motoroid has been conceived as machine that behaves like a living creature. Its primary technologies are an image recognition AI system, self-balancing technology, and a haptic human-machine interface
[video, HD: buff.ly/3vw1Gop]
650
When ships pass through Point Nemo in the Pacific Ocean, the nearest land mass is 1677 (2,700 kms) miles away. This means that at certain times of the day (planes excluded), the nearest humans are on the International Space Station ~416 km (256 miles) up ow.ly/DcWB30nJ4yD
Astronomy, astronautics, meteorology, physics. Engineer, trying to build the big picture of #science via selected & curated pics, videos & links