901
Spider webs are engineering marvels
[6 facts about spider webs: buff.ly/3TVuB22]
[Timelapse by dinaoren0: buff.ly/3BfUPEV]
902
The British Museum has a 3700+ year old clay tablet that is the world's oldest known complaint letter.
1750 BC problems.
[read more: buff.ly/2JqqEhE]
903
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]
904
This gif is an early version of a 2006 visualization titled “The Inner Life of the Cell”. It shows a kinesin, a motor protein that moves molecules around the cell. It's powered by ATP and transport molecules along microtube filaments at a rate of 2000 nm/s buff.ly/2On4HTb
905
Orbiforms are volumes of constant width made from solid steel, brass, and copper: these shapes have constant diameter no matter their orientation and will roll like spheres between two planes [source, buy: buff.ly/2Q4q4YE] [read more: buff.ly/2qtLCUy]
906
If CO₂ emissions were visible, this is what they would look like [source, read more: buff.ly/2Eo95hn]
907
Just outside the city of Klevan in Ukraine, a nearly two-mile stretch of private railway has turned the surrounding trees into an enchanting natural tunnel. It's called the Tunnel of Love
[read more: buff.ly/2t29nEy]
908
You can simulate a tornado indoor following some relatively easy steps. This clip shows you how
[more, with instructions: buff.ly/2t2sJfJ]
909
If you are a fan of space exploration, it's strongly recommended that you take the time to explore this map in high resolution. Cosmic Journey by Sean McNaughton, Samuel Velasco [source, read more: buff.ly/2QOZQ1N]
910
Chital deer and Langur monkeys have a relationship where the monkeys drop vegetation to the deer and both species alarm the other about predators incoming
[read more: buff.ly/3BsEjBb]
[📹 buff.ly/3WbkB4K]
911
The stonefish is the world's most venomous fish. Through its dorsal fin spines it can inject a venom that can kill an adult human in less than 1 hour. This is an estuarine stonefish (Synanceia horrida)
[read more: buff.ly/2O5stCi]
[📹 Frank Volpe]
912
Fusion splicing is the act of joining two optical fibers end-to-end using a source of heat, which is usually an electric arc but can also be a laser, a gas flame, or a tungsten filament
[read more: buff.ly/3I8PNOm]
913
The Balamand University in the northern district of El-Koura, Lebanon, has a set of stairs painted as the spines of books [more photos: buff.ly/30bOZop]
914
This stunning picture of a lightning strike at night was taken by photographer Rolf Maeder in the Grand Canyon using a Nikon D800 with a 24x85mm lens at 24mm, f/8, ISO 400 and a 25 sec. exposure [source: buff.ly/2KcQxBG]
915
This 20 second time-lapse by Cristian Aguirre captures 10 hours of Villarrica volcano activity in a remarkable transition of lights, clouds, lava and stars. Bonus: volcano's lights beaming into the night sky [source, IG account: buff.ly/3kDNs1x]
916
Among its other peculiarities (it's the third-tallest and second-heaviest living bird), the cassowary, during its breeding season, lays bright green or pale green-blue eggs [read more: buff.ly/2BrTwWV]
917
Take your time to understand exactly how differentiation is defined using the concept of limits [source: buff.ly/2rZ2cQa]
918
This now classic NASA video shows a space shuttle's solid rocket booster journey from launch to landing, with sound mixed and enhanced by Skywalker Sound [full video: buff.ly/30WLum1]
919
This behavior is known as rolling swarm and these are sawfly larvae. The surprising thing is that this entire rolling swarm moves faster than any single larva can [read more: buff.ly/3s8bti7-] [source, Mirra Whale: buff.ly/3DsGDas-]
920
Sources of methane in bodies of water are very common. Only lakes are the source of 20% of global natural methane and the bubbles are always flammable
[📹: buff.ly/3CgaIMp-]
921
Artist Insane 51 created an art called "Double Exposure 3D" which uses 3D glasses to show different aspect of the same mural painting. This one was made in Bristol, UK
[source, more artworks: buff.ly/3QKLXMm]
922
Ever wondered why your fingers go wrinkly in water but not other parts of your body? It's not a simple reflex or the result of osmosis. Our fingers wrinkle in water due to an evolutionary response that enhances our grip underwater [read more: bbc.in/1UopCzM]
923
This drone view by Domenic Biagini not only shows the magnificence of the blue whale, the largest animal that ever lived, but also how the blowhole, essentially its nostril, is so similar to the human nose [source with more videos: buff.ly/3oaNLn4]
924
Nikifor Ivanov, the gardener who grows a special breed of apples the size of pearls which can withstand the extreme weather conditions in Siberia
[read more: buff.ly/3ULqg0S]
925
This clip is a magnificent visualization of the toroidal structure and flow of a smoke ring
[detailed scheme: buff.ly/3EBZhzQ]
[physics: buff.ly/3CcOcmc]
[📹 Garrett Mobus: buff.ly/3PMwbS4 ]
Astronomy, astronautics, meteorology, physics. Engineer, trying to build the big picture of #science via selected & curated pics, videos & links