Massimo(@Rainmaker1973)さんの人気ツイート(新しい順)

951
Watch the rise of human cities, beginning with [arguably] the world’s first city in 3700 BC and continuing up to the present [full version with slider + read more at metrocosm.com: buff.ly/3gsWRGm]
952
The Math Dance [source: buff.ly/3ATcW24]
953
These AI-powered smart glasses will change the game for the deaf or hard of hearing. They provide real-time subtitles during conversations. The technology, used with a phone app, can remember conversations too [read more: buff.ly/3F6JARm]
954
When running, an ant moves three legs simultaneously. This is the tripod gait, so called because the ant always has three legs in contact with the ground: front and hind legs on one side of the body and middle leg on the opposite side [source, read more: buff.ly/3uapMo1]
955
This Blender animation shows how the addition of a dissipative element in a seawall, improves the wave energy dissipation and the rejection of the waves back to the sea [📹, ChargedCapacitor: buff.ly/2Dc9iDe] [more: buff.ly/2QFxgyC]
956
This collection of slow motion videos of objects falling in water and cornflour result in spectacular fluid motion effects, with highly unexpected but extremely satisfying geometries and shapes [📹: buff.ly/3F3pqrc]
957
This clip (slowed down 8x) shows the motion of a helicopter's blade in a typical forward flight phase. You can notice the blade pitch change and the motion of the damper weights [source, Chuck Aaron: buff.ly/3td6xJc] [the Bell-Hiller mechanism: buff.ly/31L6W9f]
958
The marvelous hyerogliphics recounting stories of the King's victories, found on the wall of the second pylon (with a tourist for scale) at the Temple of Ramesses III, Medinet Habu, Luxor (XII century BCE) [read more: buff.ly/3xK41On]
959
A 30 second crash course on brain anatomy [📹 Keck School of Medicine of USC: buff.ly/3XAqc6e]
960
Merging art with AI. Using the new Outpainting capability,DALL-E 2 imagined how the landscape could look like between famous impressionist paintings from Van Gogh, Monet, Munch and Hokusai [source, read more: buff.ly/3F65vrL]
961
Ontario photographer Cody Evans took roughly 10,000 photographs during the lake-effect storm on Nov. 19, 2022 on Lake Eerie. One of them resulted particularly striking and he title it "Poseidon's Wrath" [source, read more: buff.ly/3XERoRA]
962
Retweet if you were part of one of those tiny first 4 bars. [source: buff.ly/3jWsfiC]
963
The story of LES-1, the satellite abandoned in space in 1967 which restarted the transmissions after 47 years of silence and is among the oldest zombie satellites [read more: bit.ly/2xQVsSq] [more about zombie satellites: buff.ly/3gTmaTR]
964
After the remnants of Hurricane Florence passed over Jersey Shore, New Jersey, in September 2018, the Sun came out in one direction but something quite unusual appeared in the opposite direction: a supernumerary rainbow [source, by John Entwistle: buff.ly/2zKHNja
965
One million Earths: a visual representation of how many Earths could fit inside the Sun [source, @astronomyblog: buff.ly/3f5o3dY]
966
Close up image of an ant Camponotus photogaphed by Dr. Eugenijus Kavaliauskas at 5X objective lens magnification [source: buff.ly/3DknbyT]
967
In 1971, Soviet geologists working in Turkmenistan set a crater on fire to prevent the spread of methane gas, expecting it would burn for a few days. The hole has since been burning for over 51 years and is know as The Door to Hell: buff.ly/2EpPiOl
968
This is the difference between a crocodile, caiman and alligator. [read more: ow.ly/3YUe50zAMDe] [photo: ow.ly/TRsK50zAMDh]
969
In 1663, the skull of a woolly rhinoceros was discovered along with the tusk from a narwhale & the front legs of a mammoth in Germany. This is how the “Magdeburg Unicorn” was assembled, one of the worst fossil reconstructions in human history [read more: buff.ly/3VqGAEC]
970
Believe it or not, in the years 1950-1951, the A. C. Gilbert Company distributed the Gilbert U-238 Atomic Energy Lab, a toy kit allowing kids to make nuclear reactions at home using actual radioactive material. It was taken off the shelves in 1951 [more: bit.ly/2BTzsZW]
971
Operant conditioning is controlled by external stimuli, using reinforcement learning. Here's how it's applied to chickens [📹 buff.ly/3AMriSK] [read more: buff.ly/SnuczM]
972
Pyrophorus nyctophanus, aka the headlight beetle [read more: buff.ly/3i3bVPd] [source, Bart Coppens: buff.ly/3U5i4aZ]
973
The incredible moment newborn twins reach out to hold hands. Scientists this is only a continuation of what already happens in the womb. [read more: buff.ly/3F5TrHa] [story: buff.ly/3GO4vtM]
974
American black bears regularly climb trees to feed, escape enemies and hibernate. Four of the eight modern bear species are habitually arboreal. This photo perfectly captures the essence of this relationship with trees [source: buff.ly/3VuE7sY]
975
3,000-year-old Egyptian statue head of a woman, New Kingdom, limestone, Field Museum of Natural History, Chicago (31713) [source: buff.ly/3GNaU8b]