Massimo(@Rainmaker1973)さんの人気ツイート(いいね順)

2376
No, the tiger printer is not getting low on ink. Naturally color mutated tigers include golden, white and albino tigers (here shown with a normal tiger, left) [golden tiger: buff.ly/2GThUPn] [white tiger: buff.ly/2GUQtEV]
2377
Television viewers saw this picture of Earth during the sixth live telecast from the Apollo 8 spacecraft on its way home, 54 years ago #Today go.nasa.gov/2i0atfC
2378
The brown hyena (Hyaena brunnea), also called strandwolf, is a species of hyena found in Namibia, Botswana, western and southern Zimbabwe, southern Mozambique and South Africa. It is currently the rarest species of hyena [read more: ow.ly/Y57Q50xnvwL]
2379
Ultrasonic transducers in this mini acoustic levitator are speakers emitting sound waves at a frequency of 43,000 Hz, which corresponds to a wavelength of 8 mm for dry air. Standing waves with nodes of low pressure will 'hold' the foam [source, read more: buff.ly/3ju40Iu]
2380
This tiny, intact skeleton of a baby rhinoceroslike dinosaur was unearthed in Canada. This toddler was just 3 years old and 5 feet (1.5 meters) long when it wandered into a river near Alberta, Canada, and drowned about 70 million years ago [read more: buff.ly/2lEpvs4]
2381
«The B in Benoît B. Mandelbrot stands for Benoît B. Mandelbrot» #WednesdayWit [more math humor: buff.ly/3W0mceN]
2382
Portalzkopes are kaleidoscope made with three angled mirrors, etched by hand and with cnc machines. The result with lights projected in them is quite impressive [Instagram: buff.ly/3sgFHl1] [site: portalzkopes.com]
2383
This is the piano that Steinway & Sons has unveiled when celebrated its 600,000th piece: 'The Fibonacci' features the iconic spiral and is made out of Macassar Ebony [read more: buff.ly/2EQ34XO]
2384
The story of Maurice Hilleman, the biologist who developed over 40 vaccines, among which measles, mumps, hepatitis, chickenpox, meningitis, pneumonia: an unparalleled record of productivity that saved more lives than any other scientist of the 20th century buff.ly/2o9ChmY
2385
Leptocephalus is the flat and transparent larva of the eel, marine eels, and other members Elopomorpha, the most diverse groups of teleosts, containing 801 species [read more: buff.ly/3F7du7N] [source, HRF U/W Production: buff.ly/3GluGoj]
2386
This is a visualization of the trigonometric function of the sine. The ordinate represents the value of the function, equal in absolute value to the length of the perpendicular dropped from the circular arc to the abscissa [source: buff.ly/2PFiS8L]
2387
Costasiella kuroshimae is a species of sacoglossan sea slug, a shell-less marine opisthobranch gastropod mollusk. It's often called sea sheep due to its aspect and it's one of the only animals in the world that can perform photosynthesis [read more: buff.ly/2t9sPys]
2388
The Pilatus Railway is a mountain railway in Switzerland and the steepest rack railway in the world, with a maximum gradient of 48% and an average gradient of 35%. This is a switch at the very beginning of the line [read more: buff.ly/3w9a6o5]
2389
Jellyfish blooms take place naturally as a result of ocean and wind patterns, ecosystem shifts, and jellyfish behaviors. This one of Crambione mastigophora was captured by Alimar Amor in El Nido, Philippines in March 2020. [📹 buff.ly/3B7iUfP]
2390
A volcanic bomb is a mass of partially molten rock (tephra) larger than 64 mm in Ø, formed when a volcano ejects viscous fragments of lava during an eruption. This one was observed on Cumbre Vieja volcano on Dec 3, 2021 [video: buff.ly/2ZZjiyI-]
2391
Telescopefish are solitary, active predators, frequenting the mesopelagic to bathypelagic zones of the water column, from 500 to 3,000 m. The common name of these fish is related to their bizarre, tubular eyes ow.ly/ER2330n5ayW [source of the photo: ow.ly/lIro30n5az6]
2392
If you take a look at the cut section of a red cabbage, you will certainly notice the fascinating and intricate pattern hidden within: in other words, a fractal [source, photo by Yiran Wang: buff.ly/3stz54w]
2393
The Welbike was a British single-seat motorcycle produced during World War II at the direction of Station IX: it was delivered in air drop canisters [source: buff.ly/3kTEvQG] [read more: buff.ly/2WXhpMp]
2394
When 2 bodies orbit around each other in space, we know exactly what happens. But when the bodies are 3 or more, things can be more complicated, no explicit formula for the orbits exists & we have to rely on numerical simulations. This is just one example: buff.ly/31DExDX
2395
Alsomitra macrocarpa has seeds which use paper-thin wings to disperse like giant gliders. The seeds, which are produced by a football-sized pod, can glide hundreds of metres across the forest [read more: buff.ly/2xzxEqt] [full video: buff.ly/2EDymnV]
2396
Albinism and melanism are genetic variations resulting from the mutation of different genes, causing two opposite pigmentation conditions buff.ly/3eiEb9A These are an albino and a melanistic alligators [video by Brian Barczyk: buff.ly/36xSHaD]
2397
Forests on caffeine. A recent study found that after only two years, coffee pulp treated areas had 80% canopy cover compared to 20% in the control area. The canopy in the coffee pulp areas was also 4 times taller than that of the control area [read more: buff.ly/31sWzYP]
2398
Blockchain for babies [📹 and more, readplaysing: buff.ly/3ztlDAV]
2399
In 2019, Victor Vescovo descended nearly 11 km to the deepest place in the ocean - the Pacific Ocean's Mariana Trench. While breaking the record for the deepest ever dive, he found a plastic bag and sweet wrappers [read more: buff.ly/2LBvLQT]
2400
Cape penduline tits build a globular nest made of spider webs and silken fibers. They have a false entry and chamber below the actual entrance. This is a defence against snakes and other nest predators [read more: buff.ly/3qsZDA6] [source: buff.ly/3sDBhqa]