1126
A Great Argus pheasant tries to charm the female bird with courtship dance
[source: buff.ly/3D1vy2u]
[read more: buff.ly/3ABSq64]
1127
Flowers spread with water in slow motion provide an instant visualization of surface tension
[📹 JollyToday: buff.ly/3W5eAae]
1128
This demonstration by Alex Kontorovich uses pizzas to lustrate the meaning of π. Cutting and laying the crust of a pizza across four others with the same radius, youl'll find that the crust spans a little more than 3 pizzas or ~3.14 buff.ly/3au7XYG
1129
The fur of the Arctic fox provides the best insulation of any mammal and its thickness increases by 140% during winter. This famous picture by Kevin Morgans shows an arctic fox shedding its winter coat
[source: buff.ly/3lEWThC]
[author's site: kevinmorgans.com]
1130
The rock ptarmigan is seasonally camouflaged and emits a repertoire of guttural snores and rattles, most often directed to other males during breeding season
[read more: buff.ly/3VrHUGS]
[📹 Tolkuton: buff.ly/3I0cHaT]
1131
How player ChrisDaCow created a universe inside Minecraft with a black hole, galaxies, and pillars of creation included
[full video: buff.ly/3MhbQ5B]
1132
Penguins shoot 'fecal projectiles' up to 1.34 meters away from the nest to keep it clean. The birds can generate enough poo-propelling energy to send 'fecal bombs flying at speeds of nearly 5 mph (8 km/h) [read more: buff.ly/3iNLvgr]
1133
The Trampe (now known as Cyclocable) is a famous bicycle lift in Trondheim, Norway, invented and installed in 1993 by Jarle Wanwik. It covers a 20% gradient slope and its use is free
[read more: buff.ly/3Umm3RK]
1134
The science of snowflakes explained in “Beyond the Microscope,” a GE science film from 1922
[full video: buff.ly/2E7q9aD]
1135
German photographer Nick Beyersdorf captured this multi-colored contrail while a Qatar Airways plane flew over Bamberg, Germany [read more, more photos: buff.ly/3b9HQqy]
1136
Made with 6,000 moving parts, The Writer is a 240-year-old machine created by Swiss-born watchmaker Pierre Jaquet-Droz, his son Henri-Louis, and Jean-Frédéric Leschot around 1770-1772. It can be programmed up to 40 letters or signs [video: buff.ly/2ozVXR7]
1137
Project Soli developed an interaction sensor using radar technology. The sensor can track sub-millimeter motions at high speed and accuracy. It fits onto a chip, can be produced at scale & built into small devices & everyday objects buff.ly/2oLbpa4
1138
Palmanova is a town and comune in northeastern Italy. The town is an example of nine-pointed star fort of the late Renaissance, built up by the Venetian Republic in 1593 [read more: buff.ly/2O3NiQs]
1139
Multiplying with lines
[read more: buff.ly/3gRwcHx]
[why it works: buff.ly/3VONNPc]
[📹 mrbeandamatematica: buff.ly/3XQO31E]
twitter.com/processvideoz/…
1140
The wingbeats of birds, insects and mammals have a shape: discover which one in this animated infographic by Eleanor Lutz deconstructing flight [source with higher resolution: buff.ly/2Mj2ib7]
1141
Here you can see a capuchin monkey instructing a female human on how to properly use stone tools. With monkeys learning to use tools and passing this skill down for generations, what do you think future monkeys be like?
[source and more: buff.ly/2HtAptU]
1142
The best number is 73.
73 is the 21st prime number.
Its mirror (37) is the 12th and its mirror (21) is the product of multiplying 7 and 3.
In binary, 73 is a palindrome, 1001001 which backwards is 1001001
[source: buff.ly/3Vt1jaQ]
1143
CMYK, explained
[read more: buff.ly/2KlUe9l]
[source: buff.ly/3VQLL0k]
1144
Using fog to illustrate how sunlight is focused by a fresnel lens to a point. If you put a rock in that point, it will eventually melt
[📹 Joemyheck: buff.ly/3GNvsdF]
[fresnel lenses: buff.ly/3E03wkP]
1145
The feet of geckos have a number of specializations. Find out the science behind their amazing capabilities
[read more: bit.ly/2izZJH4]
[📷: buff.ly/3HWSvn9]
1146
This hornets' nest found on a window in Roswell, Georgia, gave us the natural opportunity to see the nest's interior and its inner workings
[source, ViralHog: buff.ly/3P077EY]
1147
A great visualization of how a radial engine works in this Pratt & Whitney R-985 cut-away by Skip Stewart
[source: buff.ly/3g32XAr]
[read more: ow.ly/1VAv50kVlYA]
1148
Space start-up Relativity Space Stargate device is capable of building a rocket fuel tank with a 3D printing process. This is a time lapse of the printing process of the ACO tank for the Terran 1 rocket [read more: buff.ly/2nvsGXn]
1149
Commerson's frogfish (also known as giant frogfish) grows up to 38 cm and like other members of its family, it has a globular, extensible body. Its large mouth allows it to consume prey as large as itself
[📹 krakenaquatics: buff.ly/3TJq4Pm]
1150
During courtship, the male red-eared slider swims around the female and flutters the back side of his long claws around her face, possibly to direct pheromones towards her
[read more: buff.ly/2NMELkh]
[📹 buff.ly/3NmZHgd]
Astronomy, astronautics, meteorology, physics. Engineer, trying to build the big picture of #science via selected & curated pics, videos & links