1901
This is what the inside of the mouth of a leatherback sea turtle looks like [read more: bit.ly/2w8YG2S]
1902
Indonesia is a volcanically active country, containing numerous major volcanoes. It has the most volcanoes of any country in the world, with 76 volcanoes that have erupted at least 1,171 times in total within historical times [read more: buff.ly/32Vkq7r]
1903
One of the largest seabirds on the planet, the albatross is a powerhouse of flight that only comes back to land to breed. By exploiting the energy of the wind and dynamic soaring, they can fly non-stop for more than 16,000 km [video, BBC Earth: buff.ly/3xXqPKE]
1904
The Right Pointing Arrow spins 180 degrees and it still points to the right. Only in a mirror will it point left (and only to the left). Another incredible ambiguous object illusion by mathematician Kokichi Sugihara of Meiji University in Japan [more: buff.ly/2KonWcM]
1905
Splitting a raw boulder found in Queensland can uncover marvel like this opal's colors
[full video: buff.ly/2RRSevS]
[more about Queensland Opal mining fields: buff.ly/2RPRirZ]
1906
This LEGO kinetic sculpture was named after Lewis Carroll’s Jabberwocky, which inspird it and was built with Technic angled brick joints [build it yourself: ow.ly/tvZC30nsW0X]
1907
This is called the 'Blue Jellyfish Shot' and you obtain it by layering drinks with different densities and specific gravities
[read more: buff.ly/2B6oBML]
1908
How's you anxiety?
A scenic spot in Chongqing, China has built this cliff-side 'super swing' which stands 30 storeys tall and faces a 2,300ft drop
[read more: buff.ly/3fgC3EY]
1909
This is not stained glass. It's a dragonfly's wing seen up close.
And on top of this beauty, dragonfly wings kill bacteria on contact by ripping apart their cell membranes with sharp nanopillars ow.ly/6KZN50wzlKD
[📷 kellyjeanrebar: kelly-j-rebar.pixpa.com]
1910
Ground resonance is an imbalance in the rotation of a helicopter rotor when the blades become bunched up on one side of their rotational plane & cause an oscillation in phase with the frequency of the rocking of the helicopter on its landing gear [video: buff.ly/2HDqwtG]
1911
This photograph by Edsel James Batuigas shows how effective is the camouflage of a great grey owl [source and more pictures by the author: buff.ly/3MUUnyv]
1912
Without touching a single piece of land, it's possible to sail from Pakistan to Russia in a completely straight line (or more precisely along a geodesic line or an arc of cirumference, but appearing like a straight line on a globe)
[read more: buff.ly/2rkutg7]
1913
The waterfall swing is an interactive installation what combines art and science. Riders pass through openings in a waterfall created by precisely monitoring their path via axle-housed encoders
[read more: waterfallswing.com]
1914
This now iconic 2014 footage by Aleksander Medveš shows Vali, a bear at the Budapest Zoo, pulling a drowning crow out of the water and then turning his attention back to his lunch of fruits and vegetables
[📹 Aleksander Medveš: buff.ly/3NhX4v8]
1915
This is a meteorite: the mixture of the iron-nickel alloy and olivine originated from a small protoplanet out of the dawn of the Solar System. And, bonus, it's perfectly polished [source, read more: buff.ly/2OIhfag]
1916
How the 12th century Paisley Abbey in Scotland could feature a gargoyle out of the film “Alien” [read more: ow.ly/Yf7f30nseRD]
1917
Archimedes, mathematicians, and 7th grade geometry teachers have known the truth about pizza sizes for years: a large pizza is almost always a better deal than two mediums and a 18" pizza has more pizza than two 12" pizzas [source, read more: ow.ly/FGgy30nt5Rp]
1918
This composite was taken by photographer Bill Church over the course of 12 minutes: 35 photos imaging a storm approaching in Utah [author's Flickr: buff.ly/2PgO0gW]
1919
The Stadio Meazza, commonly known as San Siro, is a football stadium in the San Siro district of Milan. Its walkways are spiral shaped and the motion of the walking people gives you the illusion of an automatic rotation buff.ly/2KuwX3U [gif: buff.ly/3opaQSO]
1920
For around $150, plexiglass, water, lenses, and ordinary mirrors, professor of Physics at the University of Rochester John Howell built an uni-directional optical cloaking device: This video shows one of the devices and two of his sons… sometimes: buff.ly/2IOGovU
1921
This autonomous robot can complete chemistry experiments 1,000x faster than a human scientist. Over an 8-day period the robot has chose between 98 million experiment variants and discovered a new catalyst for green technologies [read more: buff.ly/2W37tCp]
1922
Situated in the Chartreuse mountains, southeastern France, la Tour Percée is a unique double arch and at 32 meters is the longest span in the Alps. The existence of this arch was only documented in 2005 [David George, read more: buff.ly/3onDUKn]
1923
Where symmetry and geometry meet art and nature: how artist James Brunt artworks use leaves organized in elaborate patterns jamesbruntartist.co.uk
1924
Epitonium scalare is a predatory or ectoparasitic species of marine gastropod with an operculum. Many Epitonium species have shells that are very interesting in their structure. The whorls do not touch, so the shell is held together only by the ribs buff.ly/2KnYPXA
1925
This clip shared by Clink's Class, shows a physics experiment producing a synchronized scream. All the students, except the last one standing, sit on desks ungrounded. The first lays a hand on a Van der Graaf Generator
[source: buff.ly/3FZAi7B]
Astronomy, astronautics, meteorology, physics. Engineer, trying to build the big picture of #science via selected & curated pics, videos & links