Khoisan are indigenous peoples of Southern Africa. Their languages have a prevalence of click consonants as phonemes. Some languages have up to 48 click consonants

\[read more: buff.ly/3BktEs7 (https://buff.ly/3BktEs7)\]

\[📹 Arina Travels: buff.ly/3FeWnQl (https://buff.ly/3FeWnQl)\]

https://nitter.moomoo.me/Rainmaker1973/status/1647972285792284673#m

For the past decade, Simon Beck has been decorating the Alps with his stunning mathematical drawings, created by running in snowshoes across freshly laid snow

\[read more: ow.ly/3bU930outWj (https://ow.ly/3bU930outWj)\]

\[video by Golem13: buff.ly/3tluTV8 (https://buff.ly/3tluTV8)\]

https://nitter.moomoo.me/Rainmaker1973/status/1647965612558241793#m

Interactive waves use 3D projection technology to make the effects of flowing water more realistic and immersive. This is an example using multiple projectors to create one long projection \[source: buff.ly/3FS2jP6 (https://buff.ly/3FS2jP6)\] \[more: luminvision.com (https://luminvision.com)\]

https://nitter.moomoo.me/Rainmaker1973/status/1647895405516996608#m

Enterobacteria phage T2 is a virus that infects E. coli and this is what it looks like through the electron microscope

\[read more: bit.ly/2v8jBlB (https://bit.ly/2v8jBlB)\]

\[photo: buff.ly/2Xhslrq (https://buff.ly/2Xhslrq)\]

https://nitter.moomoo.me/Rainmaker1973/status/1647870935746093056#m

Fluidic Oscillators are devices with no moving parts that generate an oscillating jet of fluid at high frequencies

\[read more: bit.ly/2uf3aHw (https://bit.ly/2uf3aHw)\]

\[📹 buff.ly/2FhCni3 (https://buff.ly/2FhCni3)\]

https://nitter.moomoo.me/Rainmaker1973/status/1647849346916818945#m

An elephant uses its trunk for a very wide spectrum of activities: for breathing and exploring things, to pick up and throw objects, as a snorkel when swimming under water and even to rub an itchy eye

\[read more: buff.ly/41co6uV (https://buff.ly/41co6uV)\]

https://nitter.moomoo.me/Rainmaker1973/status/1647631778922856453#m

Between Jimmy Judd and Little Dent Islands in British Columbia, Devils Hole is a turbulent and aerated section of water which can be a quite frightening spot

\[read more: buff.ly/41v2dXh (https://buff.ly/41v2dXh)\]

\[📹 oliviafarr01: buff.ly/43CjuQ7 (https://buff.ly/43CjuQ7)\]

https://nitter.moomoo.me/Rainmaker1973/status/1647586552015405057#m

Pro-cyclist Danny MacAskill cycled across the blade of a wind turbine to raise awareness of renewable energy. The stunt also provided a size comparison between a human and a wind turbine blade.

\[video: buff.ly/3MQtkrM (https://buff.ly/3MQtkrM)\]

https://nitter.moomoo.me/Rainmaker1973/status/1647581838641180672#m

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

\[source, read more: buff.ly/3l7re5q (https://buff.ly/3l7re5q)\]

https://nitter.moomoo.me/Rainmaker1973/status/1647575566688608264#m

The camera aboard the Deep Space Climate Observatory (DSCOVR) satellite captured this unique and iconic view of the Moon as it moved in front of the sunlit side of Earth in August 2015, from a distance of 1 million miles

\[read more: buff.ly/1Pio3lv (https://buff.ly/1Pio3lv)\]

https://nitter.moomoo.me/Rainmaker1973/status/1647570544156643328#m

Uraba lugens, "the mad hatterpillar", is a caterpillar that goes around with its old shedded heads stacked on as hats

\[read more: ow.ly/zaSx50uFYDY (https://ow.ly/zaSx50uFYDY)\]

https://nitter.moomoo.me/Rainmaker1973/status/1647545367922364417#m

This video shows how traditional Uzbek bread is made. The doughs are baked upside down, where the heat keeps them in place and the bakers know exactly when to grab them out of the oven before they fall off

\[📹 Pure Life: buff.ly/3FMoN2i (https://buff.ly/3FMoN2i)\]

https://nitter.moomoo.me/Rainmaker1973/status/1647541976693178368#m

The USS Iowa (BB-61) fires her 16-inch/50 caliber guns on 15 August 1984 during a firepower demonstration after her modernization. Notice the massive shockwaves produced on the sea water

\[read more: bit.ly/2qTXzph (https://bit.ly/2qTXzph)\]

\[📹 World History Archive: buff.ly/41fyYYU (https://buff.ly/41fyYYU)\]

https://nitter.moomoo.me/Rainmaker1973/status/1647537776047390724#m

Sulfur hexafluoride (SF₆) has a density of 6.12 g/L at sea level, considerably higher than the density of air. It's therefore allowing experiments like this one, where soap bubble are apparently 'suspended' over a tank

\[source: buff.ly/3HaEjcb (https://buff.ly/3HaEjcb)\]

https://nitter.moomoo.me/Rainmaker1973/status/1647536937266233345#m

A brilliant application of the Meissner effect: levitating along a Möbius strip

\[📹 Ithaca College Physics: buff.ly/31DaY3m (https://buff.ly/31DaY3m)\]

\[what is the Meissner effect: bit.ly/2pT06OQ (https://bit.ly/2pT06OQ)\]

https://nitter.moomoo.me/Rainmaker1973/status/1647535528944828417#m

The story of how the Rolls-Royce Ghost soundproofing was so overengineered that occupants in the car found the near-total silence disorienting, and some felt sick, leading to the company to work to add a continuous soft whisper

\[read more: buff.ly/2FAgQo7 (https://buff.ly/2FAgQo7)\]

https://nitter.moomoo.me/Rainmaker1973/status/1647532486925090817#m

«In a land of giants, it's the smallest creatures that make the biggest difference».

"Tiny World" tells you the story of the extraordinary things they do to survive, like this pygmy marmoset fascinated by an insect

\[trailer: buff.ly/368htje (https://buff.ly/368htje)\]

https://nitter.moomoo.me/Rainmaker1973/status/1647529177799598080#m

Demonstrating the consequences of deforestation, and the importance of trees

\[source: buff.ly/2TKxlkz (https://buff.ly/2TKxlkz)\]

https://nitter.moomoo.me/Rainmaker1973/status/1647522009637609472#m

Invented by German physicist Heinrich Rubens in 1905, the Rubens tube graphically shows the relationship between sound waves and sound pressure, as a primitive oscilloscope

This is a demonstration with a trumpet

\[read more: buff.ly/43wkxRX (https://buff.ly/43wkxRX)\]

https://nitter.moomoo.me/Rainmaker1973/status/1647509121594187776#m

Magnetic declination is the angle between magnetic north & true north. As the Earth's magnetic field varies over time, the positions of the north & south magnetic poles gradually change. The isogonic lines for the years 1590-2020 buff.ly/31Jsh2V (https://buff.ly/31Jsh2V)

https://nitter.moomoo.me/Rainmaker1973/status/1647507245280763905#m