perpetuallyirritatedlibrarian

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Andreea Berindei on Instagram

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The best man and godfather.

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oh no

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Well? Is it?

I don’t know. Nobody knows. Not on here or on Twitter or Facebook or Instagram or anywhere. He does not appear to have any social media.

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Penumbra, a small self-indulgent personal project

It was all painted in Photoshop, for anyone curious :)

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The world's longest-running lab experiment

The Pitch Drop Experiment

The experiment demonstrates the fluidity and high viscosity of pitch, a derivative of tar that is the world's thickest known fluid and was once used for waterproofing boats.

Thomas Parnell, UQ's first Professor of Physics, created the experiment in 1927 to illustrate that everyday materials can exhibit quite surprising properties.

At room temperature pitch feels solid - even brittle - and can easily be shattered with a hammer. But, in fact, at room temperature the substance - which is 100 billion times more viscous than water - is actually fluid.

In 1927 Professor Parnell heated a sample of pitch and poured it into a glass funnel with a sealed stem. He allowed the pitch to cool and settle for three years, and then in 1930 he cut the funnel's stem.

Since then, the pitch has slowly dripped out of the funnel - so slowly that it took eight years for the first drop to fall, and more than 40 years for another five to follow.

Now, 87 years after the funnel was cut, only nine drops have fallen - the last drop fell in April 2014 and we expect the next one to fall sometime in the 2020s.

The experiment was set up as a demonstration and is not kept under special environmental conditions - it's kept in a display cabinet - so the rate of flow of the pitch varies with seasonal changes in temperature.

The late Professor John Mainstone became the experiment's second custodian in 1961. He looked after the experiment for 52 years but, like his predecessor Professor Parnell, he passed away before seeing a drop fall.

In the 86 years that the pitch has been dripping, various glitches have prevented anyone from seeing a drop fall.

- University of Queensland, Australia

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the best thing on earth is how they designed darth maul to look scary and unnatural but we all took a look at him and decided that he was the hottest non human in star wars

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An Englishman, a Frenchman, a ravishing blonde and a homely brunette are sharing a compartment on a train as it winds its way through the Alps.

Every now and then the train passes through a tunnel, during which time the compartment is plunged into complete darkness. On one such occasion, a ringing slap is heard and as the train passes back into daylight, the Frenchman is rubbing his sore, red cheek.

The brunette thinks “I bet that dirty Frenchman fondled the blonde and she struck the pervert.”

The blonde thinks “I bet that filthy Frenchman was looking to grope me in the dark, mistook the dowdy brunette for me and she slapped the beast.”

The Frenchman thinks “I bet that perfidious Englishman touched up the blonde in the dark and she slapped me by mistake.”

The Englishman thinks “I can’t wait for another tunnel so I can slap that French twat again.”

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Worldbuilders naming towns: I named this town Elygwe’meth which means “Where the Dearly Beloved King died next to his Lover” in the language I invented and also a combination of the Old English word for diamonds and the Maori word for apples since that’s their main exports

People in real life naming towns: I named this town Big Falls cause big fall there

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I’m absolutely obsessed with the reddit side of the Tolkien fandom, in particular, this discussion regarding how Sauron fits the ring on his finger, as well as penal compensation a la Lord Farqaud style

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Bruh, is that…SNOW at Death Valley?! 

A recent rainfall caused some of the hills at @deathvalleynps to sprout salt flowers. According to rangers at the park this phenomenon is caused when rain soaks into the soil dissolving the salts present beneath the surface. When this rain evaporates, it pulls the dissolved salts to the surface through capillary action leaving a fresh salty crust behind. Over time, this white coating can erode away, but comes back brilliantly white after additional rains. #TheMoreYouKnow 🌈

Photo by M. Gage, National Park Service. Photo description: A white snowy salt crust covers rolling hills in the desert. A hazy sky is in the background.

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Lord of the Rings by Lorenzo Colangeli

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Unmute !

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