276
How high you would jump on other planets or moons?
[📹 MetaBallStudios: buff.ly/3Jzo5sW]
277
Emperor penguins transport their chicks on their feet. Some of them might be doing that the wrong way
[source and full video: buff.ly/34Ew5nI]
278
Imagine to grab a Champagne bottle by the neck and hurl it against a wall. What could go wrong? Some science considerations: buff.ly/3E8gfCK
279
After months of chasing starlings, photographer James Crombie captured this remarkable shot of the flock as it swelled into an enormous bird-like murmuration [read more, author's site: inpho.ie]
280
What does the Sun do at the poles? The sun circles around the horizon in 24h: here is a time-lapse of nearly 5 days from March 08 to 13, 2017 filmed at the South Pole
[source of the clip, Robert Schwarz: ow.ly/UUoB30ngRw9]
281
The scale of the universe
[source 📹: buff.ly/3yxfpih]
282
Momentum cancellation: a ball fired at 50 mph out of a cannon from a truck going exactly at 50 mph in the opposite direction, has its velocity (and therefore momentum) cancelled
[source, full video, MythBusters: buff.ly/2FB7PoC]
283
This classic video show a LEGO TECHNIC functional Model of a Bridge Girder machine SLJ 90032 Wowjoint
[full video, Wolf Zipp: buff.ly/3eCoy1Z]
284
Unlike other mammals, camels' red blood cells are oval. This makes them better at withstanding high osmotic variation without rupturing when drinking large amounts of water: a 600kg camel can drink 200 L of water in 3 minutes buff.ly/31jk3QO [gif: buff.ly/2E9lDMB]
285
On top of the 8 million human lives, 600 million trees, 200,000 hectares of land, 22 billion tons of water and 84 million tons of CO₂ that the tobacco industry costs every year, cigarette filters contain microplastics
[read more: buff.ly/3x6g0r0]
286
This 1974 photograph shows the freshly excavated pit with 2,000-year-old terracotta warriors still showing the original color scheme before the rapid deterioration that made them as we know them today [sources, read more: buff.ly/3zXKYDg]
287
Ladybugs rely on elasticity to flap out their hind wings, which are 4 times the size of the ladybug itself. A ladybug is flapping these huge wings 85 times a second.
[read more: buff.ly/3GfRwjA]
[📹 Legendary Shots: buff.ly/3C2HLml]
288
One of the biggest concentrations of bioluminescence in Marina del Rey, California.
A species of photosynthetic dinoflagellates is the cause of these impressive displays
[read more: buff.ly/3Dp4v1C]
[📹 Patrick Coyne: buff.ly/3RIRhkp]
289
A Roman mosaic floor was recently discovered under a vineyard in northern Italy after decades of searching. Surveyors in the comune of Negrar di Valpolicella, north of Verona published images of the well-preserved tiles buried under metres of earth buff.ly/2yAf8PV
290
There are no plants in this picture.
pink: orchid mantis
brown: ghost mantis
dark green: hooded mantis
light green: leaf insect
grey: cat-eyed mantis
[source: buff.ly/3Q0XfLI]
291
Kanzi the bonobo lives in America and has learnt how to build a fire, light it using matches and toast marshmallows on it. It shows just how like us some primates really are [full video: buff.ly/2vBMawH] [read more: buff.ly/2OAjWwZ]
292
In this cherry blossom sake cups, the ice cold liquid produces blue blossoms on the initially bare branch, but pour in a hot beverage and the branch fills with pink flowers [source, read more: buff.ly/3xszSo7]
293
The comet moth is one of the world's largest silk moths, with a wingspan of 20 cm and a tail span of 15 cm
[read more: bit.ly/1OF90Rf]
[📹 franni.moth: buff.ly/3NhWuwx]
294
That time a beekeeper made a beehive entirely out of LEGO bricks and 30,000 real-life bees moved in
[full story: buff.ly/3D1FGYV]
295
Reef squid possess a rare combination of semitransparency and the ability to change body color via chromatophores: this one shows how rapidly they can perform a body color change.
[📹 fishingaroundus: buff.ly/3bBndaB]
296
A 22° halo is an optical phenomenon created by ice crystals in the form of a ring with a radius of approximately 22° around the Sun or Moon. This one was spotted over Courchefull, Rhone-Alpes, France on February 8, 2018
[source: bit.ly/2BlUGkO]
297
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]
298
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]
299
Space Glass is a handmade array of glass, metals and crystals in multiple layers, encapsulating planets and stars in glass [read more: plusalpha-glass.com]
300
The Penrose triangle, is an impossible object, an optical illusion consisting of an object which can be depicted in a perspective drawing, but cannot exist in reality
[read more: buff.ly/2SBILXI]
[📹 Satsuki_8198, YT: buff.ly/3AK13w9 ]
Astronomy, astronautics, meteorology, physics. Engineer, trying to build the big picture of #science via selected & curated pics, videos & links