1426
Crops under solar panels can be a win-win, and in dry places, shade can reduce water use, increase CO₂ uptake and water-use efficiency; and crops are on average 30% bigger and healthier
[read more: buff.ly/2ZQCdW8]
[📹: buff.ly/3d8TSoP]
1427
Designers at BACA Architects came up with this idea of a house floating when the land is flooded. It is located on a small island on the River Thames, in south Buckinghamshire, UK [read more: buff.ly/3fNYM9B]
1428
The harpy eagle is among the world's largest extant species of eagles. Mean talon size is 8.6 cm in males, and 12.3 cm in females. This photo by Jaime Culebras with details by Daniel Hyde show the sheer size of its talon [sources: buff.ly/3Ewa7EQ, buff.ly/3drDD2s]
1429
Photoshop 1.0 was released on February 19, 1990, for Macintosh exclusively. This is what it looked like
[read more, video: buff.ly/3gCdmnF]
1430
Back in April, endangered Sumatran orangutan Sekali gave birth to her second son at the Toronto Zoo.
This is the moment its mother got to hold him for the first time.
[video, full story: buff.ly/3Fstuk2]
1431
The Heikegani crab has a shell pattern resembling a human face or samurai. Carl Sagan used these crabs as an example of unintentional artifical selection, proposing that the crabs survived better because fishermen admired them & threw them back in the sea buff.ly/2DLZWvG
1432
The stunning optical illusions by prof. Kokichi Sugihara
[video: buff.ly/2UzhxAB]
[read more: buff.ly/2HthCRt]
1433
This 3D printable gadget uses the geometry of nested hexagon plastic shapes with some magnets, to create a remarkably satisfying toy
[3D model description: buff.ly/30sZgsi]
1434
Fruit salad trees, developed by an Australian family in the early 1990s, are capable of bearing many different types of fruit on them at the same time - including apples, oranges, mandarins, lemons, limes, grapefruit and peaches [read more: buff.ly/2QURTHk]
1435
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
1436
This ball by Nicholas Perillo made up of hexagon tiles, with 486 stepper motors, 86,000 LEDs and a 5 channel granular synth engine, combines the best of blinky LEDs and animatronics into one amorphic ball
[read more: buff.ly/3Lxkexd]
1437
This caterpillar filmed in Ecuador by the late Andreas Kay looks like a feather which presumably gives it an advantage in the struggle for survival since predators such as birds will not perceive it as food [source, HD, read more: buff.ly/36EhlHs]
1438
Margaret Hamilton standing next to the navigation software that she and her MIT team produced for the Apollo Project and sent humankind on the Moon in 1969
[📷 buff.ly/3F4tciQ]
[read more: buff.ly/2NSUKjZ]
1439
The first step to getting stuck in quicksand: Don't freak out. Humans actually can't drown in the stuff, because we float in it. Getting out can be simple, if you follow these instructions [source and full video: buff.ly/2ZsS00L]
1440
Sociable weavers construct permanent nests on trees and other tall objects. These nests are the largest built by any bird, and are large enough to house over a hundred pairs of birds, containing several generations at a time
[read more: ow.ly/MU7730nXbBc]
1441
It's okay to feel stupid, especially doing science.
[source: buff.ly/3dQ6lxs]
1442
Several types of halos & parhelia are visible at the same time in this atmospheric event captured in Zermatt, Switzerland, on Dec 10, 2022. The most impressive are a 22° and 46° halo, subsuns, circumzenithal arc
[📹 Daniel Caron: buff.ly/3FKnBju]
1443
Before clocks, there were candle clocks, that when burned, effectively indicated the passage of periods of time especailly indoor & at night. To set an alarm, you pushed a nail into the desired point and the nail would ld fall and clank on the metal holder buff.ly/2GevGQi
1444
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]
1445
This couple of sea urchins was discovered by a research vessel near New Caledonia at a depth of 300 m and photographed by Steve Jurvetson. They show us how fractals are everywhere, in the geometry of nature
[read more: buff.ly/2rw0h1s]
[source: buff.ly/2rw0e5M]
1446
Polyethylene glycol is a liquid that can pour itself out of a container due to it’s very long chains of linked molecules buff.ly/2pPrqLW [source of the gif, YT's The Action Lab: buff.ly/2BEBWM8]
1447
This "angel cloud" spotted over Talca, Chile on Dec. 23, 2022 is an example of fallstreak hole, a large gap caused by supercooled water in the clouds suddenly evaporating or freezing
[read more: buff.ly/3idsYyt]
[📹 Peque Pinochet]
1448
Nothing actually surprising. This is what happens to a small plane in strong headwinds. Airspeed is positive, but groundspeed is zero (sometimes even flying backwards)
[video explanation: buff.ly/3AzMADf]
[clip by TikTok's Jenniferireneotto]
1449
David Roentgen (1743--1807) took his royal patron by surprise when he delivered this beautiful automaton to King Louis XVI for his queen, Marie Antoinette, in 1784. An impressive mechanism moved (& still moves) a true neoclassical masterwork [full video: buff.ly/3fyEIGL]
1450
When you cast a visible light shadow you also cast a thermal shadow. But while the former disappear when you walk away, an infrared thermography shows you the latter staying on the wall.
[source: buff.ly/3RsB6r4]
Astronomy, astronautics, meteorology, physics. Engineer, trying to build the big picture of #science via selected & curated pics, videos & links