Rainmaker1973

@Rainmaker1973 Massimo Astronomy, astronautics, meteorology, physics. Engineer, trying to build the big picture of #science via selected & curated pics, videos & links Italy, North by Northwest

Account created: Aug 11, 2010 7:13 AM

Latest activity: Jan 14, 2022 5:26 PM

300 follows, 669344 followers

Last checked: Sep 26, 2022 5:33 AM

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Analyzed Images - 70

Massimo @Rainmaker1973

This time lapse shows a series of Chandra and Hubble observations taken between 1999 and 2013 of Supernova 1987A. The data are converted into the sound of a crystal singing bowl, with brighter light being heard as higher and louder notes [read more: https://buff.ly/2JsmuKs] https://twitter.com/Rainmaker1973/status/1333516389953495040/video/1

4:00 PM · Nov 30, 2020 · Twitter Web App

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Massimo @Rainmaker1973

Wingtip vortices can even be formed at the ends of propeller blades, as seen on this helicopter. Their name is then more properly "rotortip vortices" [read more: https://buff.ly/2IiUhod] [source, full video: https://buff.ly/36kAjUj] https://twitter.com/Rainmaker1973/status/1333494330238128128/video/1

2:33 PM · Nov 30, 2020 · Twitter Web App

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Massimo @Rainmaker1973

In this picture taken by Eduardo Schaberger Poupeau on November 29, 2020 from Rafaela, Santa Fe, Argentina, you can see the plasma following the lines of the solar magnetic field [source: https://buff.ly/2VhUlbw] [read more: https://buff.ly/2IsfXwI]

2:15 PM · Nov 30, 2020 · Twitter Web App

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Massimo @Rainmaker1973

The astronaut who took this photograph was also interested in a bright spot beyond Earth’s limb: our celestial neighbor, Venus. Note that the orientation of the image is presented as the astronaut observed it, with Earth on the upper right https://buff.ly/2NkJxIT

12:44 PM · Nov 30, 2020 · Twitter Web App

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Massimo @Rainmaker1973

Take your calculator and pick any number made just of 5s (55, 555, 5555, ...). Then calculate its reciprocal (1/555 ...), and then the sine of this number. It's a very familiar result, isn't? This is why [source: https://bit.ly/2ZMyF7P] https://twitter.com/Rainmaker1973/status/1333456424454807552/video/1

12:02 PM · Nov 30, 2020 · Twitter Web App

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Massimo @Rainmaker1973

If you were to jump off the tallest cliff in the Solar System, it would be from Verona Rupes on Uranus’ moon Miranda: given the low gravity it would take about 12 minutes to fall from the top, reaching the bottom 20 km below, at the speed of about 200 km/h https://buff.ly/2QmOFZw

11:30 AM · Nov 30, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

Chameleon bones glow in the dark, even through skin. A recent study revealed that the color changers can also glow in the dark under ultraviolet light http://bit.ly/2mOkU6x https://twitter.com/Rainmaker1973/status/1333440720351465472/video/1

11:00 AM · Nov 30, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

Elysia chlorotica is a sea slug that can capture energy directly from light, as most plants do, through the process of photosynthesis and during time periods where algae is not readily available as a food supply, it can survive for months http://bit.ly/2mQr6v3

10:30 AM · Nov 30, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

Northern cardinals, the 'romantic' birds that mate for life, travel together, sing before nesting, and during courtship, feed seed beak-to-beak http://bit.ly/2mJ7KYy

10:02 AM · Nov 30, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

A true-color view of Enceladus' southern cyrovolcanic plumes captured by @CassiniSaturn exactly 10 years ago #Today http://bit.ly/2kccicy

9:44 AM · Nov 30, 2020 · Twitter Web App

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Massimo @Rainmaker1973

411 years ago #Today, the modern face of the Moon first emerged when Galileo Galilei in Padua turned his telescope toward the Moon, noted the irregularities of the crescent face, and made a drawing to record his discoveries http://bit.ly/2BobowE

9:43 AM · Nov 30, 2020 · Twitter Web App

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Massimo @Rainmaker1973

The true story of history's only known meteorite victim. Ann Hodges was hit by a meteorite in her Alabama home #Today in 1954 http://bit.ly/2AIY3CY

9:43 AM · Nov 30, 2020 · Twitter Web App

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Massimo @Rainmaker1973

During a baseball game, balls' speed can reach up >100mph: once a bird was killed being in the trajectory by Randy Johnson http://bit.ly/2jnUlop https://twitter.com/Rainmaker1973/status/1333418052470386689/video/1

9:30 AM · Nov 30, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

The tremendous expansion & the differentiation of the neocortex constitute two major events in the evolution of the mammalian brain. The increase in size & complexity of our brains opened the way to a spectacular development of cognitive and mental skills http://bit.ly/29fq2J9

9:02 AM · Nov 30, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

Also known as a "nothing machine" or as trammel of Archimedes, this simple machine can draw a perfect ellipse http://ow.ly/pE3n50uLfAG [gif: http://ow.ly/uHuq50uLfAF] https://twitter.com/Rainmaker1973/status/1333402946789367816/video/1

8:30 AM · Nov 30, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

Animal predators can be scary and ferocious, but when it comes to precision, dragonflies are probably the winners: they have one of the highest hunting success rates in the animal kingdom at 97% (compared to a lion's mere 20%) https://buff.ly/2Qu2EwO https://twitter.com/Rainmaker1973/status/1333395419397820416/video/1

8:00 AM · Nov 30, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

Landing humans on the Moon required the largest commitment of resources ever made by any nation in peacetime. At its peak, the Apollo program employed 400,000 people and required the support of over 20,000 industrial firms and universities https://buff.ly/2HPfZyI

7:39 AM · Nov 30, 2020 · Twitter Web App

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Massimo @Rainmaker1973

Large pangolins can extend their tongues as much as 40 cm with a diameter of only 0.5 cm http://bit.ly/2tgv0U3 https://twitter.com/Rainmaker1973/status/1333387858648903682/video/1

7:30 AM · Nov 30, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

A real banana for scale [purchase: https://buff.ly/3g1xwTn] #MotivationMonday https://twitter.com/Rainmaker1973/status/1333382025470947328/video/1

7:07 AM · Nov 30, 2020 · Twitter Web App

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Massimo @Rainmaker1973

This Filipino diver from the Badjao tribe can descend 65 feet to the sea floor and stay underwater for up to 5 minutes. Even without weights, he is negatively buoyant and can 'walk' across the bottom of the sea as if like hunting on land https://buff.ly/2Iyhxev https://twitter.com/Rainmaker1973/status/1333380431413211136/video/1

7:00 AM · Nov 30, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

The Dugong, or “Sea Cow”, is a herbivorous marine mammal that is the last representative of the once-diverse family Dugongidae. This social, seagrass feeding mammal can live for over 70 years in the wild https://buff.ly/2TYHDh0 [more: https://buff.ly/2veS8nW] https://twitter.com/Rainmaker1973/status/1333372782508466182/video/1

6:30 AM · Nov 30, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

This cave is formed entirely from hexagonally jointed basalt columns within a Paleocene lava flow [read more: http://bit.ly/2uW4891]

6:01 AM · Nov 30, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

Social media was abuzz on November 29, after reports that a meteor emitting an intense light had been spotted falling from the skies above Japan in the early hours of the morning [all the video footages: https://buff.ly/2JsBiZG] https://twitter.com/Rainmaker1973/status/1333362133921386499/video/1

5:48 AM · Nov 30, 2020 · Twitter Web App

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Massimo @Rainmaker1973

One of these is a frying pan, the rest are moons in our Solar System [source: http://bit.ly/2mOT4qY] #MoonCrushMonday #MotivationMonday

5:30 AM · Nov 30, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

The concentric wave singularity is one of the many awesome waves artificially reproduced by the FloWave Ocean Energy Research Facility in Edinburgh, Scotland http://bit.ly/1Nn5GdO https://twitter.com/Rainmaker1973/status/1333350360707194881/video/1

5:01 AM · Nov 30, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

The story of Bill Weaver, the test pilot who survived the disintegration of his SR-71 Blackbird while going Mach 3.2 at 78,000 ft https://buff.ly/2O3hqOg

4:30 AM · Nov 30, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

The end of the Titanic. This is the CGI that James Cameron and his team pull together to show how they believe the ship sank and reached the ocean floor [source, full video: http://bit.ly/2ung9H5] https://twitter.com/Rainmaker1973/status/1333334988385890304/video/1

4:00 AM · Nov 30, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

The nuclear age changed steel & today, if you need to make a geiger counter, a medical device or an aeronautical sensor you'll choose a low-background steel realized before 1945 because measurably less radioactive. Where can you find it? Sunken WWII ships https://buff.ly/2P7MOHO

3:30 AM · Nov 30, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

Fitting 925 pet cats with geolocating backpacks reveals a dark consequence to letting them out — Researchers found that, over the course of a month, cats kill between two and ten times more wildlife than native predators https://buff.ly/33dXUCJ

3:01 AM · Nov 30, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

Honeybees let out a ‘whoop’ when they bump into each other. This vibrational pulse, long thought to be a signal to other bees to stop what they are doing, might actually be an expression of surprise [read more: https://buff.ly/2qCgfHx]

2:30 AM · Nov 30, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

This oozing yellow organism has no neurons, but it can solve mazes, make decisions, and learn by merging together [read more: http://theatln.tc/2hw5r7r] https://twitter.com/Rainmaker1973/status/1333304818778189826/video/1

2:00 AM · Nov 30, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

Chevrotains, also known as mouse-deer, are the smallest hoofed mammals in the world. The Asian species weigh between 0.7 and 8.0 kg (1.5 and 17.6 lb), while the African chevrotain is considerably larger at 7–16 kg (15–35 lb) https://buff.ly/2NNgpFc [gif: https://buff.ly/2y3MJgS] https://twitter.com/Rainmaker1973/status/1333147205067214849/video/1

3:33 PM · Nov 29, 2020 · Twitter Web App

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Massimo @Rainmaker1973

This is one of the extraordinary Karakuri puppets, authentic Japanese automata, made from 400 to 200 years ago http://bit.ly/2kjXZSw [video: https://buff.ly/2TUxTUY] https://twitter.com/Rainmaker1973/status/1333136723711324166/video/1

2:52 PM · Nov 29, 2020 · Twitter Web App

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Massimo @Rainmaker1973

Earlier today (November 29th at 13:11 UTC), Earth-orbiting satellites detected the biggest solar flare in more than 3 years. NASA's Solar Dynamics Observatory recorded this extreme-ultraviolet movie of the M4.4 category blast [source, read more: https://buff.ly/3nZb0gy]

2:10 PM · Nov 29, 2020 · Twitter Web App

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Massimo @Rainmaker1973

Don Juan Pond is a small and very shallow hypersaline lake in Victoria Land, Antarctica. It's the saltiest of the Antarctic lakes (and possibly of the entire Earth). This salinity allows it to remain liquid even at temperatures as low as −50 °C (−58 °F) https://buff.ly/2y5f5HL

1:45 PM · Nov 29, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

As mysteriously as it arrived, a metal monolith that was discovered on November 18 by Utah public safety workers is now gone, officials said on November 28. The federal Bureau of Land Management’s Utah office said it had not removed it [full story: https://buff.ly/39C9ZHt] https://twitter.com/Rainmaker1973/status/1333111507379425283/video/1

1:12 PM · Nov 29, 2020 · Twitter Web App

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Massimo @Rainmaker1973

Remember the difference? - 1 million seconds = 11.5 days - 1 billion seconds = 31.7 years This site tells you when you celebrate (or did celebrate) your Billion Birthday: http://billionbirthday.com/ https://twitter.com/Rainmaker1973/status/1333108614010204161/video/1

1:00 PM · Nov 29, 2020 · Twitter Web App

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Massimo @Rainmaker1973

The integral form of Maxwell's equations etched in concrete on the side of the Warsaw University Library https://buff.ly/2zIuNu9

12:54 PM · Nov 29, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

Is this castle in black & white? Check better after 10 seconds and learn why you see colors [read more: http://buff.ly/2m7j7ro]

11:50 AM · Nov 29, 2020 · Twitter Web App

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Massimo @Rainmaker1973

Thanks to a team of researchers we can watch this real-time MRI scan of baritone Michael Volle as he sings O Du, mein holder Abendstern from Richard Wagner's Tannhäuser [source, with sound: https://buff.ly/2J6sioX] [full paper: https://buff.ly/2N6AtqU] https://twitter.com/Rainmaker1973/status/1333089903563911171/video/1

11:46 AM · Nov 29, 2020 · Twitter Web App

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Massimo @Rainmaker1973

Fibonacci was an Italian mathematician, considered by many as the most talented Western mathematician of the Middle Ages. But the name he is commonly called, "Fibonacci", was made up in 1838 by historian Guillaume Libri https://buff.ly/2zGO5QC

11:30 AM · Nov 29, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

Dennis Hlynsky is a professor at Rhode Island School of Design. His hobby is capturing the raw rhythm of life in videos and long exposure photos, like this remarkable view of what happens in some minutes of activity outside a beehive https://buff.ly/2IrvUkJ

11:10 AM · Nov 29, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

Born 217 years ago #Today, Christian Andreas Doppler, was mathematician and physicist: he is celebrated for his principle — known as the Doppler effect — that the observed frequency of a wave depends on the relative speed of the source and the observer http://bit.ly/2gDdZft

10:55 AM · Nov 29, 2020 · Twitter Web App

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Massimo @Rainmaker1973

The story of Bobbie the Wonder Dog, who walked a distance of at least 4,105 km through U.S. plains, desert, and mountains, swimming in rivers and even crossing the Continental Divide in the coldest part of winter, to finally return home to his family http://bit.ly/2mQBzGW

10:50 AM · Nov 29, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

Satellite data show that Greenland and Antarctica are losing mass at a rate of 283 gigatonnes per year and 145 gigatonnes per year, respectively. So how big is just one gigatonne? And 283? This NASA visualization helps understand: https://go.nasa.gov/2W1Vkyg https://twitter.com/Rainmaker1973/status/1333070770281607168/video/1

10:30 AM · Nov 29, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

The ring of Titus Carvilius Gemello dates back to the first century CE: it's a sculpted image of a noble who died at 18. The bust is a gold microfusion made upon a wax model, with "a cera persa" technique and a quartz crystal rendering a "hologram effect" https://buff.ly/2IFEdKQ

10:10 AM · Nov 29, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

A 1 milliliter beaker is not frequent in chemistry labs, and despite the joke that says it's only used to collect the tears after failed experiments, it's most likely used for weighing purposes and shows how even a lab's equipment can be cute https://buff.ly/2y3W0FX

9:50 AM · Nov 29, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

In celestial mechanics, the Roche limit is the distance within which a celestial body, held together only by its own force of gravity, will disintegrate due to a second celestial body's tidal forces exceeding the first body's gravitational self-attraction https://buff.ly/31SaN4n https://twitter.com/Rainmaker1973/status/1333055648993521667/video/1

9:30 AM · Nov 29, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

This unique color footage shows Einstein in his twilight years: it's May 1943, he was tortured by the spread of fascism across Europe and he had recently urged President Roosevelt to build an atomic bomb: a decision he later said was his greatest mistake https://buff.ly/2OucO2R https://twitter.com/Rainmaker1973/status/1333050622715834371/video/1

9:10 AM · Nov 29, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

Seeing such a large swirl in a lake is not easy, not even when it's highlighted by pollen, like in this image taken by photographer Pierre Leclerc at Crater Lake National Park, Oregon http://bit.ly/2mQw6Qq

8:57 AM · Nov 29, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

Pholisma sonorae is a rare and unusual species of flowering plant endemic to the Sonoran Deserts. Its fleshy stem extends up to two meters below the surface, emerging above as a small rounded or ovate form https://buff.ly/3mou73a [photo by Camden Bruner: https://buff.ly/39CSjeP]

8:07 AM · Nov 29, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

This is a satellite picture of the Dasht-e Kavir desert in Iran. The patterns you see are formed by different geological layers that have been eroded over thousands of years by wind and sometimes (but not often) rain [read more: https://buff.ly/3ll3dYu]

8:00 AM · Nov 29, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

48 years ago #Today, one of the earliest arcade video games, #Pong, was originally released by Atari http://bit.ly/1JQZDlB

7:54 AM · Nov 29, 2020 · Twitter Web App

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Massimo @Rainmaker1973

Hand sanitizers work by dissolving the cell membrane of the bacteria and viruses that have similar membranes, denaturing the proteins that are essential to bacteria and viruses to thrive [read more: https://buff.ly/39QexqA]

7:49 AM · Nov 29, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

58 years ago #Today, the British Aircraft Corporation and the major French airline company, Sud Aviation, agreed to jointly design and manufacture a 100-seat supersonic passenger airliner, what it would become the Concorde http://bit.ly/1VipUNF

7:42 AM · Nov 29, 2020 · Twitter Web App

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Massimo @Rainmaker1973

#Today is the 85th anniversary of the publication of Erwin Schrödinger’s extraordinary paper in which he proposed an outrageous thought experiment involving a cat, a box, a radioactive sample, a Geiger counter and a vial of poison http://to.pbs.org/1NlS45U

7:23 AM · Nov 29, 2020 · Twitter Web App

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Massimo @Rainmaker1973

From around 420 to 350 million years ago, when land plants were still the relatively new kids on the evolutionary block and “the tallest trees stood just a few feet high,” giant spires of life poked from the Earth: huge fungi called Prototaxites https://buff.ly/2CiWDP4

7:08 AM · Nov 29, 2020 · Twitter Web App

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Massimo @Rainmaker1973

In 2009, astronomers using Hubble Space Telescope took advantage of a rare opportunity to record Saturn when its rings were edge-on, resulting in a unique movie featuring the nearly symmetrical light show at both of the giant planet's poles [source: https://buff.ly/3o4lriT]

7:03 AM · Nov 29, 2020 · Twitter Web App

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Massimo @Rainmaker1973

The Chudnovsky algorithm is a fast method for calculating the digits of π. It was published by the Chudnovsky brothers in 1989, and was used in the current world record calculation of 22.4 trillion digits of π in November 2016 https://buff.ly/2R8SL8J

6:19 AM · Nov 29, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

Araucarioxylon arizonicum is an extinct species of conifer and is the state fossil of Arizona. The petrified wood of this tree is frequently referred to as "Rainbow Wood" because of the large variety of colors some specimens exhibit http://ow.ly/K6ZD50Cxl1x

5:54 AM · Nov 29, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

You can't absorb mercury with a sponge, no matter the size of its pores [source: https://buff.ly/2XlhkFx] [explanation: https://buff.ly/2WTZGEr] https://twitter.com/Rainmaker1973/status/1332991541531602944/video/1

5:15 AM · Nov 29, 2020 · Twitter Web App

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Massimo @Rainmaker1973

The bat-eared fox is the only extant species of the genus Otocyon and considered a basal canid species. It is named for its large ears, which have an important role in their thermoregulation [read more: https://buff.ly/2KXC2pv]

5:00 AM · Nov 29, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

The first online chat system was called Talkomatic, created by Doug Brown and David R. Woolley in 1973 on the PLATO System at the University of Illinois. This is a recreation screenshot [read more: https://buff.ly/3lcLZg0]

4:52 AM · Nov 29, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

Every planet and major moons or our Solar System at their real scale [source: http://ow.ly/oI6k50uKrTS]

4:38 AM · Nov 29, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

The natural coastal defense provided by mangrove forests reduce annual flooding significantly in critical hotspots around the world. Without mangroves, flood damages would increase by more than $65 billion annually & 15 million more people would be flooded https://buff.ly/2THka57

4:03 AM · Nov 29, 2020 · Twitter Web App

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Massimo @Rainmaker1973

Glass Spirals Kinetic Ornament is a thread of glass shaped into connected helixes, one clockwise the other counterclockwise. When spinning, the rotational motion creates translational motion both upwards and downwards along the vertical direction https://buff.ly/33tmgK6

3:24 AM · Nov 29, 2020 · Twitter Web App

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Massimo @Rainmaker1973

The question of whether alligators are able to regrow their massive tails has not been well studied. But now, researchers have uncovered that young alligators can regrow their tails up to 23 cm, or 18% of their total body length https://buff.ly/39qHgVM

3:10 AM · Nov 29, 2020 · Twitter Web App

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Massimo @Rainmaker1973

An international team of about 100 scientists report in Nature this week detection of neutrinos from the Sun, directly revealing for the first time that the carbon-nitrogen-oxygen (CNO) fusion-cycle is at work in our star [read more: https://buff.ly/3mw81Mp]

3:01 AM · Nov 29, 2020 · Twitter Web App

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Massimo @Rainmaker1973

An extraordinary number of arrows dating from the Stone Age to the medieval period have melted out of a single ice patch in Norway in recent years because of climate change, constituting a real “treasure trove” for researchers [read more: https://buff.ly/3l4CFLc]

2:53 AM · Nov 29, 2020 · Twitter Web App

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Massimo @Rainmaker1973

This artist impression shows a star that pulsates on just one side, which has been discovered in the Milky Way this year, about 1500 light years from Earth. It is the first of its kind to be found [read more: https://buff.ly/39EWjsb] https://twitter.com/Rainmaker1973/status/1332804501581991937/video/1

4:52 PM · Nov 28, 2020 · Twitter Web App

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Massimo @Rainmaker1973

There's a volcano in Tanzania, whose carbonatite rich lava eruptions create such marvelous sculptures [read more: http://bit.ly/2jp1HZJ]

4:50 PM · Nov 28, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

On 26 September 1983, Stanislav Petrov, an officer of the Soviet Air Defence Forces, correctly identified as a false alarm an early warning about an American multiple ICBM attack, possibly avoiding an escalation to a full-scale nuclear war http://bit.ly/2B7vhHJ

3:31 PM · Nov 28, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

Plasmodium of Physarum polycephalum computes a path from outside of a maze into the maze's central chamber. Recording is done one frame per five minutes, playback 25-30 frames per second https://buff.ly/2y4YgNd [paper: https://buff.ly/2xSRkCA] https://twitter.com/Rainmaker1973/status/1332773433613176833/video/1

2:48 PM · Nov 28, 2020 · Twitter Web App

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Massimo @Rainmaker1973

There's a parasite living inside fish eyeball that can control its behaviour. When the parasite is young, it helps its host stay safe from predators. But once it matures, it does everything it can to make the fish easy to catch and continue its life cycle https://buff.ly/2xVJ1pJ

1:57 PM · Nov 28, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

The scale of the Kármán line (edge of space) and low Earth orbit. Two coins model 100 km in height, while the stack of six coins models 400 km in height [the Kármán line: http://ow.ly/4whX50yHFXb]

1:15 PM · Nov 28, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

Forest fires can "hibernate" and burn underground for months, even years. When a forest fire burns hot enough, what’s left of the fire can sit over winter and smoulder, even under a layer of snow http://ow.ly/GKEV50yHJ9V

12:45 PM · Nov 28, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

There are 79 known moons of Jupiter. Here is a video showing them all in orbit around the planet http://ow.ly/8BZe50uKrUW [more: http://ow.ly/ODA450uKrUX] https://twitter.com/Rainmaker1973/status/1332734347628187655/video/1

12:13 PM · Nov 28, 2020 · Twitter Web App

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Massimo @Rainmaker1973

This clip by North Carolina School of Science and Mathematics shows the independence of motion along the x and y axes. Gravity acting on the ball and making it slow down on the way up and speed up on the way down has no effect on horizontal motion https://buff.ly/2x6Mphk https://twitter.com/Rainmaker1973/status/1332725597093638146/video/1

11:38 AM · Nov 28, 2020 · Twitter Web App

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Massimo @Rainmaker1973

In this video, Dr. Boyd F. Edwards, Professor of Physics at Utah State University, uses a foam ball to demonstrate the image formed by a concave mirror, with peculiar optical results [source, full video: https://buff.ly/2OYGDWp] https://twitter.com/Rainmaker1973/status/1332717363385544705/video/1

11:05 AM · Nov 28, 2020 · Twitter Web App

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Massimo @Rainmaker1973

Earth turned faster at the end of the time of the dinosaurs than it does today, rotating 372 times a year, compared to the current 365. This means a day used to laste only 23 and a half hours, 70 million years ago https://buff.ly/2Q3NLTQ

11:02 AM · Nov 28, 2020 · Twitter Web App

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Massimo @Rainmaker1973

In the brief little blip of a human lifespan, the stars seem unchanging. But they are moving and this is how the Big Dipper constellation shape changed and will change in about 200,000 years https://buff.ly/2y6CrfZ

10:42 AM · Nov 28, 2020 · Twitter Web App

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Massimo @Rainmaker1973

This spray-on Ice Crystals Frost for Decoration appears gradually when applied on glass with a nice delay effect. You can purchase it [https://buff.ly/37bPtdI] or make it on your own [https://buff.ly/3mhvGQs] [source of the clip: https://buff.ly/3mg0pNS] https://twitter.com/Rainmaker1973/status/1332709848664989697/video/1

10:36 AM · Nov 28, 2020 · Twitter Web App

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Massimo @Rainmaker1973

Asian elephant Asha at the Oklahoma City Zoo is expecting a calf in February 2022 and this is ultrasound of the fetus [source, full video: https://buff.ly/2J7qccN] [an elephant's pregnancy lasts 22 months: https://buff.ly/3ll1O49] https://twitter.com/Rainmaker1973/status/1332707494565728257/video/1

10:26 AM · Nov 28, 2020 · Twitter Web App

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Massimo @Rainmaker1973

Barry Marshall was sure that Helicobacter pylori caused peptic ulcers, but since it was illegal to test that on humans, he drank a Petri dish with the bacteria, developed ulcers within days, treated them with antibiotics and went on to win a Nobel Prize http://bit.ly/2DLjgLj

10:20 AM · Nov 28, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

The Spinning Dancer is a kinetic, bistable optical illusion resembling a pirouetting female dancer. If you look at the left image, all 3 dancers will rotate clockwise. But if you look at the right image, all 3 dancers will rotate counterclockwise https://buff.ly/2KM24au https://twitter.com/Rainmaker1973/status/1332695497396596739/video/1

9:39 AM · Nov 28, 2020 · Twitter Web App

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Massimo @Rainmaker1973

During storms in the southwestern U.S., some rattlesnakes drink rain droplets from scales on their backs. Researchers have figured out how the nanotexture of scales from these snakes helps them use their bodies to harvest rain [read more, video: https://buff.ly/37hNh4w] https://twitter.com/Rainmaker1973/status/1332692699984572416/video/1

9:27 AM · Nov 28, 2020 · Twitter Web App

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Massimo @Rainmaker1973

This white lion is named Moya and lives at a lion sanctuary in South Africa. It was photographed by British photographer Simon Needham and it seems to takes pride in his locks as he shows off its beautiful hair [read more: http://ow.ly/BDfO50Cx2Ic]

9:17 AM · Nov 28, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

Scientists once assumed that giraffes did without sleep, and that's due to the weird pattern of these animal's sleep cycle. It turns out that adult giraffes do sleep, but only for a couple of minutes at a time [read more: https://buff.ly/2NaocfB]

9:06 AM · Nov 28, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

Malachite is a copper carbonate hydroxide mineral and when it's polished, it has a striking aspect http://ow.ly/9FCP50Cx2qm [photo: http://ow.ly/2vJe50Cx2qp]

9:05 AM · Nov 28, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

Monkeys can learn to use money. Capuchins that were taught to exchange silver discs for treats began budgeting for foods they liked, buying more of something when the price dropped, and started gambling (to say the least) [read more: http://ow.ly/4zu650yG4Qo]

8:29 AM · Nov 28, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

56 years ago #Today, Mariner 4 was launched from Cape Kennedy, Florida. Making its Mars fly-by on 14 July 1965, this was the first spacecraft to transmit a close-up photograph of Mars https://youtu.be/4Gl_iRDdIUc https://twitter.com/Rainmaker1973/status/1332673694116818950/video/1

8:12 AM · Nov 28, 2020 · Twitter Web App

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Massimo @Rainmaker1973

54 years ago #Today, the first flight of the legendary rocket carrier #Soyuz (Союз), the "space workhorse", took place http://buff.ly/2gO1vlJ

8:11 AM · Nov 28, 2020 · Twitter Web App

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Massimo @Rainmaker1973

7 years ago #Today, comet C/2012 S1 (ISON) disintegrated at perihelion due to the Sun's heat and tidal forces, prematurely ending the expectations about its being the "the most spectacular comet of the century" http://buff.ly/2fDyJzm https://twitter.com/Rainmaker1973/status/1332670984101486599/video/1

8:01 AM · Nov 28, 2020 · Twitter Web App

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Massimo @Rainmaker1973

53 years ago #Today, Jocelyn Bell Burnell and Anthony Hewish discovered the first radio pulsar [read more: http://ubm.io/2nbBykb]

7:57 AM · Nov 28, 2020 · Twitter Web App

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Massimo @Rainmaker1973

This is probably the most populat picture of Enrico Fermi, but there's a major error in it. The equation of the fine-structure constant from the Schrödinger equation is wrong & some say that he deliberately wrote it wrong to have a giggle with his friends https://buff.ly/2N9rvE0

7:29 AM · Nov 28, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

These are diatoms: they're a major group of algae & are among the most common types of phytoplankton http://bit.ly/2snwY4o

7:12 AM · Nov 28, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

The first time Einstein wrote E=mc², it wasn't exactly E=mc² http://bit.ly/2D5vLAb

6:51 AM · Nov 28, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

This cat named Venus is perhaps among the most famous felines on the planet thanks to her unique markings. Is it a chimera? The genetics behind the mysterious two-faced cat is complex http://bit.ly/2D1MSCX

5:58 AM · Nov 28, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

A few billion years ago, Venus might have had oceans, perhaps much like those on Earth. This is what Venus would look like with water and oceans [originally shared on Deviant Art by idolaelohimanlon: https://buff.ly/37alqmI] [read more: https://buff.ly/2ZbGiqA]

5:51 AM · Nov 28, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

Having just dipped its body into the water to wet its fur this Grey Headed Flying Fox breaks from the water and takes to the sky to lick the water off its fur [photo by Michael Cleary: https://buff.ly/2QU9xbw]

5:29 AM · Nov 28, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

Botanically, the red fruit we call 'straweberry' is an enlarged flower stem (receptacle) with many seeds imbedded in the surface. What looks like seeds really are the “true fruits,” properly referred to as achenes. all connecting to the receptacle http://bit.ly/2B1k2AD

4:16 AM · Nov 28, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

Earlier this year, researchers found evidence of a cosmic impact that caused destruction of Abu Hureyra, northern Syria, which is one of the world's earliest human settlements. The event happened 12,800 years ago [full paper: https://buff.ly/2W0R4iH]

3:55 AM · Nov 28, 2020 · Twitter Web App

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Massimo @Rainmaker1973

A team of geologists has shown for the first time that the Swiss Alps are being lifted faster than they are being lowered through erosion—and are thus growing even higher [full paper: https://buff.ly/2Jq6WXt]

3:40 AM · Nov 28, 2020 · Twitter Web App

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Massimo @Rainmaker1973

If you're into dinosaur hunting, Ireland is one of the most frustrating places to ply your trade. But now, the bones of the only dinosaurs to be found on the island have been finally confirmed https://buff.ly/33oDlVQ

3:34 AM · Nov 28, 2020 · Twitter Web App

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Massimo @Rainmaker1973

NEO object named 2020 SO has been captured by Earth's gravity and on Dec 1, 2020 will fly at 0.13 LD (lunar distances) or ~50,000 km from Earth. A temporary new mini moon that might bemore terrestrial than we think [read more: https://buff.ly/2HL43jL]

3:11 AM · Nov 28, 2020 · Twitter Web App

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Massimo @Rainmaker1973

The folded mountains of central Pennsylvania were past peak leaf-peeping but still colorful when Landsat 8 satellite passed over on November 9, 2020. The hilly region around State College is shown here on a digital elevation model [read more: https://buff.ly/3mjseET]

2:36 AM · Nov 28, 2020 · Twitter Web App

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Massimo @Rainmaker1973

Demonstration of the Cloudylabs cloud chamber with low activity radioactive sources. It works with 8 thermoelectric modules with a closed loop liquid cooler, displaying the first particles within 1 min [source, full video: https://buff.ly/39nrU4m, more: http://www.cloudylabs.fr/] https://twitter.com/Rainmaker1973/status/1332436905569513473/video/1

4:31 PM · Nov 27, 2020 · Twitter Web App

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Massimo @Rainmaker1973

The story of James Croll, the scientist who developed a theory of climate variability based on changes in the Earth's orbit and who taught himself physics and astronomy in the library of the Andersonian University, where he was employed as a janitor https://buff.ly/36eUAdG

2:42 PM · Nov 27, 2020 · Twitter Web App

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Massimo @Rainmaker1973

The pheasant coucal is an Australian bird with a definitely majestic appearance and it’s the only known Australian cuckoo that lays its eggs in its own nest – not someone else’s [Image credit, Krystal Huff: https://buff.ly/3m9Bewe]

2:14 PM · Nov 27, 2020 · Twitter Web App

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Massimo @Rainmaker1973

This curious photo showing a Tibetan fox apparently about to lunge at a startled marmot with an almost human facial expression, was captured by photographer Yongqing Bao and won the Wildlife Photographer of the Year 2019 title [read more: https://buff.ly/3l7re5q]

12:46 PM · Nov 27, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

Earth just got 7 km/s faster and about 2000 light-years closer to the supermassive black hole in the center of the Milky Way Galaxy. But don’t worry, this doesn’t mean that our planet is plunging towards the black hole. It's just a newer and better model https://buff.ly/2HEsuPI

12:40 PM · Nov 27, 2020 · Twitter Web App

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Massimo @Rainmaker1973

Confined to tropical America, the Stick Grasshoppers are a distinctive family, more likely to be confused with a stick insect than any other grasshopper. Their head is greatly elongated, they are flightless and rely on camouflage for their protection https://buff.ly/2xXeOXa

12:36 PM · Nov 27, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

Why does condensation form on the wing especially during take-off and landing? A lower pressure above the wing, causes the dewpoint to drop and thus makes the water condense https://buff.ly/2FjYzbj [gif: https://buff.ly/2Zxbyhq] https://twitter.com/Rainmaker1973/status/1332361236487565312/video/1

11:30 AM · Nov 27, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

Rib vortices: the incredible world under a wave https://buff.ly/2DBg2gV [read more: http://bit.ly/2Daa1mE]

11:02 AM · Nov 27, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

In October 1971, a physicist and an astronomer took 4 cesium-beam atomic clocks aboard commercial airliners. They flew twice around the world and when reunited, the sets of clocks were found to disagree according to the predictions of the relativity theory http://bit.ly/2rbNBQt

10:30 AM · Nov 27, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

Strandbeest mini is a fully working model of Theo Jansen's Strandbeest kinetic sculpture which features Jansen's linkage. A unique leg mechanism which converts rotary motion of a crackshaft into smooth walking motion https://buff.ly/31NLqku [more: https://buff.ly/2FkF42k] https://twitter.com/Rainmaker1973/status/1332341775177043971/video/1

10:13 AM · Nov 27, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

A 1-minute video released by the University of Cambridge sets the record straight on a much misunderstood concept – how wings lift [read more: https://buff.ly/2xUNfhc] https://twitter.com/Rainmaker1973/status/1332331657752424459/video/1

9:33 AM · Nov 27, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

This 1970 clip details the comprehensive coverage surrounding the launch of Apollo 11, explaining the phases of an Apollo mission [full video with sound: http://buff.ly/2N8Q2sQ] https://twitter.com/Rainmaker1973/status/1332323390129102849/video/1

9:00 AM · Nov 27, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

Purussaurus is an extinct genus of giant caiman that lived in South America during the Miocene epoch. The skull length of the largest known individual of the type species, P. brasiliensis is 1.453 meters https://buff.ly/33mFJMN

8:36 AM · Nov 27, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

Japan's AIST has developed this humanoid robot prototype, HRP-5P, intended to autonomously perform heavy labor or work in hazardous environments. And it looks pretty impressive https://buff.ly/2DGrwzH [long version with history (JP): https://buff.ly/2xaaIuV] https://twitter.com/Rainmaker1973/status/1332315775143731202/video/1

8:30 AM · Nov 27, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

What happens when an arresting cable snaps during an AWACS plane landing on a carrier [source: https://buff.ly/2N8GAWj] https://twitter.com/Rainmaker1973/status/1332308420117078018/video/1

8:00 AM · Nov 27, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

Africa's smallest cat is also the world's deadliest [source: http://bit.ly/2DaHVrh] https://twitter.com/Rainmaker1973/status/1332300763465478144/video/1

7:30 AM · Nov 27, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

This video by YouTube channel Brick Experiment where a long gear train is built by using 186 LEGO gears is also a good tutorial on how to calculate a gear ratio [video: https://buff.ly/33mRjr5]

7:08 AM · Nov 27, 2020 · Twitter Web App

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Massimo @Rainmaker1973

The gyroscopic self-leveling pool table you find on the cruise ship "Radiance of the Seas" is able to adapt to the waves [source, http://buff.ly/2tQwcMy https://twitter.com/Rainmaker1973/status/1332293174753193990/video/1

7:00 AM · Nov 27, 2020 · Hootsuite Inc.

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Massimo @Rainmaker1973

The European Space Agency says it is signing a 86 million-euro ($102 million) contract with a Swiss start-up company to bring a large piece of orbital trash back to Earth https://buff.ly/369QvHO

6:55 AM · Nov 27, 2020 · Twitter Web App

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