1551
This clip by YouTube channel JayPrehistoricPets shows some Aldabra giant tortoises, which can reach 122 cm of carapace length and with an average weight of 250 kg
[read more: buff.ly/3GfJyUV]
[📹 JayPrehistoricPets: youtu.be/v5pOt1-2bnI]
1552
The decisive moment when a kingfisher dives in water to hunt fish, has been superbly captured in this award winning photo by Chris Chambers [source: buff.ly/2GUCgGY]
1553
Anamorphosis is a distorted projection or perspective requiring the viewer to occupy a specific vantage point. This is a 2014 piece by Bernard Pras that transforms seemingly broken objects into a portrait of French postman and artist Ferdinand Cheval: buff.ly/2NYmCSh
1554
Popularly nicknamed "St. Michael in peril of the sea" by medieval pilgrims, Mont-Saint-Michel can still pose dangers for visitors who avoid the causeway. The tides vary greatly, at roughly 14 meters
[📹 Ryan Shirley: buff.ly/3JRJI7W]
1555
Laser varnish removal from wood is a perfect way, to remove coatings from complicated geometries of the surface
[source, HD, IRLaser: buff.ly/3nwlGVE]
1556
It might not be a fully reliable source, but according to worldometers.info, the world population has just surpassed 8 billion people today
worldometers.info/world-populati…
1557
Thes story of the anti-tank grenade football invented by the US Army in 1973. It was made to be the same weight and shape of a football because soldiers would already be familiar with throwing it
[read more: buff.ly/3Cpr84v]
1558
The Revolt Bear Mobil is a 1987 1/60 Bandai model kit with a very peculiar locomotion system
[video: buff.ly/3FjbWXs]
[read more: buff.ly/3uJ28kG]
1559
The scale of baby hummingbirds vs a human hand
[📹 Pastor Evaldo da Luz: buff.ly/3VLkbCm]
1560
Photographer Mandy Wilson has captured an extraordinary image showing a newborn dolphin riding on mom’s back around Penguin Island, near Perth, off Western Australia's coast – and seemingly smiling in delight
[source: buff.ly/3go5IXy]
1561
The Turkish coffee looks like an apparent violation of the laws of thermodyamics, but there's a pretty simple way to brew it
[read more: bit.ly/2fGy5n2]
[📹 buff.ly/3EqzSFC]
1562
An octopus will apparently punch fish for no reason
Or not: a research actually shows octopuses defend their territory even by punching fish
[read more: buff.ly/3UkC7SS]
[📹 Megan Peterman Mihelcic: buff.ly/3ufQyNn]
1563
This is how the Meteor Camera on the International Space Station sees meteors
[source: ow.ly/cvXh30mYL12]
1564
The iodine clock reaction is a classical chemical clock demonstration experiment to display chemical kinetics in action; it was discovered by Hans Heinrich Landolt in 1886
[read more: buff.ly/2O7T6rg]
[📹 Mr A Shepherd]
1565
In the fall, changes in the length of daylight & temperature cause the chlorophyll to break down: the green color disappears & the yellow to orange colors become visible
[read more: buff.ly/3Mdl7vE]
[📹 Justin McFarland: buff.ly/2RsCuLU]
1566
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-]
1567
HiP-CT is a new technique that can hierarchically image whole human organs, beginning with the resolution of a human hair (25μm/voxel) down to a resolution where we can see single cells (1.5μm/voxel) [full video by Paul Tafforeau: buff.ly/3x3QwJo-]
1568
Perhaps to prevent overheating, dik-diks have elongated snouts with bellows-like muscles through which blood is pumped. Airflow and subsequent evaporation cools this blood before it is recirculated to the body [read more: buff.ly/2PmdXd8]
1569
The C-17 Globemaster can carry 77,519 kg (170,900 lb) of cargo with a maximum takeoff weight of 265,352 kg (585,000 lb)
[read more: buff.ly/3X8eOxw]
[📹 FRAproductions: buff.ly/3GtSjwu]
1570
The Pallas's cat is a small wild cat with a broad but fragmented distribution in the grasslands and montane steppes of Central Asia. The combination of its stocky posture and long, dense fur makes it appear stout and plush [read more: buff.ly/2HH2Cki]
1571
The story of Werner Forssmann, the man who put himself under local anesthesia and inserted a catheter into a vein of his arm and up into his heart without knowing the consequences. He devised the cardiac catheterization and won the Nobel Prize [read more: buff.ly/3qVzaf3]
1572
There is a valley in Antarctica called the 'Dry Valleys' which scientists consider to be the closest of any terrestrial environment to Mars & which hasn't received any rain in almost 2 million years
[read more 1: buff.ly/32bN8yc]
[read more 2: buff.ly/32iVPqF]
1573
The Southern right whale is found throughout the Southern Hemisphere and is listed as endangered, being its global population around 10,000. Photographer Maxi Jonas filmed this encounter with one of them in September 2021 [source: buff.ly/2X5W7kz-]
1574
These Morphing Fractal™ engraving vise jaws made by Steve Lindsay can virtually morph to grip any object
[: buff.ly/3ozB6K0]
[read more: fractalvise.com]
1575
Like the classic bottle with holes, the water can flow from the blue straw only if the air pressure is enough to push the water out, or when the red straw is above the blue one. When below, no air pressure on the blue one
[📹buff.ly/3P5YzhM]
Astronomy, astronautics, meteorology, physics. Engineer, trying to build the big picture of #science via selected & curated pics, videos & links