1051
Mexico City is a huge metropolis with a population of about 21.3 million people: seen from above in the photos by Pablo Lopez Luz, it may give you the impression of being a big tide of people and buildings [source, read more: buff.ly/2rdNUYq]
1052
The Pin-tailed whydah has an elaborate courtship flight display, which includes hovering over the female to display his tail
[read more: buff.ly/3K2zGAN]
[📹 Tohid Azimi: buff.ly/3R7iLQf]
1053
Physics 1 - Anatomy 0
[📹 cataldibeauty: buff.ly/3UHAyyI]
#SundayFunday
1054
Candle ice is a form of rotten ice that develops in columns perpendicular to the surface of a lake or other body of water. This occurs due to the hexagonal structure of the ice crystals
[read more: buff.ly/3ttwlCU]
[📹 buff.ly/3O2kW6g]
1055
This is how the bones grow and form in your hand [source, read more: buff.ly/2HmOfBq]
1056
One of the possible cosmological solutions is that our universe could be the mirror image of an antimatter universe extending backwards in time before the Big Bang. Physicists devised a model positing the existence of an “antiuniverse” paired to our own: ow.ly/gs7Z30ncA44
1057
An amazing light show captured in the redwoods forest in California.
[📷 Mitch Crispe: buff.ly/3tqFZqI]
1058
At SpaceX, you can find a coffee table made with a set of grid fins of a Falcon 9 rocket
[source: buff.ly/2Ej3U1q]
[read more: buff.ly/2YNOID4]
1059
When hunting, owls swoop silently from the sky. To show just how impressive a feat this is, BBC Earth set up this experiment comparing owl flight to that of a pigeon and Peregrine Falcon
[full video, BBC: buff.ly/3eSbcvr]
1060
The city is alive: this site allows you to watch the dynamics of Manhattan's population, hour-by-hour: manpopex.us
1061
This see-through sea cucumber is so transparent that you can even see its digestive tract winding through its body. It has been spotted at a depth of 3,175 meters (2 miles) near the base of submarine volcano in Indonesian waters buff.ly/3C558w2
1062
Theo Jansen has been creating large-scale, kinetic beings powered entirely by wind since 1990. Based on a planar leg mechanism known as Jansen's linkage, you can often see them waddle, wriggle, or slither across a Dutch beaches
strandbeest.com
1063
#Today is the 222nd anniversary of the discovery of Ceres, the first asteroid found in 1801: the number of observed asteroids in the inner and outer Solar System is now beyond one million bit.ly/1VqmQf1
1064
The extraordinarily complex and beautiful floor in the cathedral of Santa Maria del Fiore, Florence
[close up details: buff.ly/3z6qs2v]
1065
The long-tailed tit (Aegithalos caudatus) is found throughout Europe and the Palearctic. This shot by photographer Hajime Nakatsuka captured one in mid-flight, highlighting its body's roundness [source + IG account: buff.ly/3Cd5DB5]
1066
This simple gif by Jakub Nowosad shows the effect of the Mercator projection on the real size of continents and countries on a planisphere
[source, read more: buff.ly/2rrI5Wz]
1067
Living in what is now northeastern North America and Scotland around 315 to 299 million years ago, Arthropleura reached 2.4 meters in length and was the largest known land invertebrates of all time [read more: buff.ly/2qdsp8Q] [photos: buff.ly/300odvJ]
1068
Humpback whales produce songs that can travel at least 10 km. They are so complex they are divided into layers: "sub-units", "units", "subphrases", "phrases" and "themes"
[read more: buff.ly/3PImDWy]
[📹 Caine Delacy: buff.ly/3QG57Dw]
1069
This is the difference between a crocodile, caiman and alligator.
[read more: ow.ly/3YUe50zAMDe]
[photo: ow.ly/TRsK50zAMDh]
1070
Invisibility cloaks and panels like Quantum Stealth work using the principle of lenticular lens, once used to create holographic images changing with the point of view.
[video: buff.ly/3q9ksAQ]
[more: hyperstealth.com]
1071
A fire can be spotted burning inside a tree: this is typically due to a lightning hitting the tree
[read more: buff.ly/3Ulfa3c]
[📹 Glenn Ratcliff: buff.ly/3qWap2Q]
1072
Several waves of people occupied the cave where these paintings appear: the silhouettes of the hands were created in a period between 13,000 to 9,000 years ago, using bone-made pipes for spraying the paint on the wall. We've been rarely alone buff.ly/2IDwf2y
1073
The hallway illusion: cover the middle and you go faster, cover the sides to slow down
[explanation: buff.ly/2IrcrQA]
1074
Echo is a reflection of sound that arrives at the listener with a delay after the direct sound. Musician and sculptor Armin Küpper found how to take advantage of it playing his saxophone into a huge gas pipe
[📹: buff.ly/37tqwtT]
1075
Today the sun will rise at 12:40 in Utqiagvik (formerly known as Barrow), Alaska to set just 63 minutes later. It will be the last time the town sees the sun this year. Next sunrise will be on January 23rd, 2023 after 1584 hours of darkness [time & date: buff.ly/3V9DBAa]
Astronomy, astronautics, meteorology, physics. Engineer, trying to build the big picture of #science via selected & curated pics, videos & links