626
Black Kite 'Firehawks' are birds that deliberately spread fires in Australia by carrying burning twigs in their beaks and talons and dropping them in other areas in order to start new fires and drive out insects and small animals so they can feed on them buff.ly/3uDzPT2
627
Disney’s 1940 film Pinocchio was entirely hand-drawn and the incredible animation still holds up today, some 80 years later. One of the most innovative and groundbreaking achievements of early Disney films was their use of a multiplane camera
[source: buff.ly/2RlVhuH]
628
The scale of baby hummingbirds vs a human hand
[📹 Pastor Evaldo da Luz: buff.ly/3VLkbCm]
629
A crosswind landing is a landing maneuver in which a significant component of the prevailing wind is perpendicular to the runway center line. This is an A380
[read more: buff.ly/3VIi6Yb]
[📹 SDTV Live: buff.ly/3BkKqHC]
630
Eva Saxl, the diabetic woman who synthesised her own insulin in a basement during WWII, saving not only her own life but the lives of over 200 people in the Shanghai Ghetto who would have died when legal insulin became unavailable
[read more: ow.ly/Nset30o4GYK]
631
The Wärtsilä-Sulzer RTA96-C is the largest reciprocating engine in the world. It's designed for large container ships: it produces 109,000 horsepower.
[read more: buff.ly/3iSed43]
[source: buff.ly/3VJWlal]
632
Photographer Axel Bocker took a glorious damselfly close-up in Germany and earned a spot as a finalist in the 2021 Comedy Wildlife Photography Awards
[source: buff.ly/3kYtApd]
633
The spectacular secret treasures that have been growing beneath Mexico for 500,000 years: a cave with crystals up to 11 meters in lenght and a weight up to 55 tons
[read more: buff.ly/2eDzOH5]
634
With a submerged displacement of 48,000 tons, Soviet Typhoons are the largest submarines ever built, able to accommodate comfortable living facilities for the crew when submerged for months. This is one seen along a beach in Severodvinsk in the White Sea buff.ly/2LYc41d
635
The braille typewriter is a form of assistive technology for the visually impaired people, featuring six keys that correspond to each of the six dots of the braille code
[source, full video: buff.ly/3KsZXIF]
636
European starlings are exceptional mimics, including human speech. Their ability at mimicry is so great that strangers have looked in vain for the human they think they have just heard speak. Jabber is 5 years old
[source: buff.ly/33Z9V3G]
637
Can you believe a bird made this? This 2013 photo by Lars Petersson shows the structure built by a Vogelkop bowerbird, a cone-shaped hut where decorations are collected and artistically arranged
[read more: buff.ly/35elXGX]
[source: buff.ly/3nLwDmK]
638
You can hear the words Green Needle or Brainstorm based on which one you think about. This is an auditory illusion, or a false perception of a real sound
[explanation: buff.ly/3ItCQfg]
[source, DosmRider: buff.ly/3tHXzaW]
639
A drone has been converted into a flying flamethrower in central China in a fiery campaign to eradicate more than 100 wasp nests. This is one of them
[fact check: buff.ly/3YbaNtC]
[📹bebeetok: buff.ly/3UOLFFT]
640
When the motion of the planets are charted as their so called epicyclic geocentric paths, or the shapes their orbits have as seen from Earth, you find these interesting mandala-like structures
[from: «Old and new astronomy», Richard Proctor, 1892 buff.ly/3bcPuzt]
641
A reconstruction of the Earth’s surface from 200 Million years ago to present day in jumps of 10 Million years. Red lines show the location of subduction zones, other plate boundaries in black, plate velocities are also shown
[read more: ow.ly/2PIF30o3h4P]
642
ENLİL is a smart vertical axis wind turbine that transforms highways into renewable energy sources by using the sun and the traffic of the city. It also provides comfort and safety to the city thanks to the build-in sensors and an intelligent platform buff.ly/2lgnHoU
643
Born #Today in 1906, Grace Hopper was computer scientist, pioneer of computer programming, developer of COBOL and United States Navy rear admiral
[read more: bit.ly/2BoBNyG]
[gif by Angela Hsieh: ow.ly/nUXQ30mV25I]
644
Five metronomes are set to 176 bpm and placed on a Foam Core board. When empty cans are placed underneath, the board is free to move from side to side and the metronomes are able to influence each other into synchronization [read more: buff.ly/2tXDdKH]
645
This is a Cercis canadensis, also known as eastern redbud. Its leaves' shapes, positions and color graduation gives the effect of being out of focus buff.ly/2M0ESWK [source of the photo: buff.ly/2lh93h1]
646
Prodim Proliner measuring head works with a wire that can be stretched out for several meters. The measuring pen at the end of the wire marks the relevant points that are directly translated into a digital DXF CAD file: buff.ly/3KqxzH0 [video: vimeo.com/569734987]
647
When microbes decompose organic tissues below the water of polar lakes, methane is release and it's often trapped in bubbles under the surface of the ice. This is the result when you ignite it [source, learn more: buff.ly/2M6ycGv, buff.ly/2tlZEsj]
648
The Fourier Transform explained in one sentence
[source and read more, by Stuart Riffle: buff.ly/3ILfsdD]
649
When scientists put slime mold over a map of Tokyo, with food used to represent urban areas, and after a day the mold created a network nearly identical to Tokyo's rail network: all this without any brain
[read more: ow.ly/7CA730o4Sjk]
650
Killer whales are notable for their complex societies only comparable to elephants & higher primates. Unlike any other mammal, killer whales live with their mothers for their entire lives & as they can reach age 90, as many as 4 generations travel together buff.ly/3vRtvYf
Astronomy, astronautics, meteorology, physics. Engineer, trying to build the big picture of #science via selected & curated pics, videos & links