Why just four seasons? Ancient Japan had 72 microseasons

Spring. Summer. Fall. Winter. Boring. Ancient Japan had 72 microseasons each lasting about five days. They each have wonderfully evocative names like “Spring Winds Thaw the Ice” and “The Maple and Ivy Turn Yellow.” We just finished “The Bear Retreats to its Den,” and this microseason 64, falling immediately after the solstice, is called “The Common Heal-All Sprouts. (more…)

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Why just four seasons? Ancient Japan had 72 microseasons

Watch how incredibly delicate Japanese gold leaf is made and applied

If you end up at some fancy event this month where gold leaf decorates the food, that gold leaf will be far thicker than traditional Japanese hand-pounded gold leaf, which can be as thin as 0.0001 millimeters. See how it’s made in the fascinating video. (more…)

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Watch how incredibly delicate Japanese gold leaf is made and applied

Authentic early American eyewear

I’ve had these beautiful antique glasses for well over a decade. Retrospecs & Co. , the folks who sold them to me, have also taken fantastic care of getting me lenses, and an upgrade, over the many years. (more…)

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Authentic early American eyewear

New Voynich Manuscript reproduction uses new photos, looks great

An “authorized” reproduction of the legendary Voynich Manuscript is finally available in print form , published by Yale University from new photographs taken for the purpose. Yale’s Beinecke Library owns the document and has taken its sweet time putting out a decent art book. The quality is better than the popular “unauthorized” edition published last year; that one uses older scans widely available on the web, but I suppose was good enough to force the university’s hand. The first authorized copy of this mysterious, much-speculated-upon, one-of-a-kind, centuries-old puzzle. The Voynich Manuscript is produced from new photographs of the entire original and accompanied by expert essays that invite anyone to understand and explore the enigma. Many call the fifteenth-century codex, commonly known as the “Voynich Manuscript,” the world’s most mysterious book. Written in an unknown script by an unknown author, the manuscript has no clearer purpose now than when it was rediscovered in 1912 by rare books dealer Wilfrid Voynich. The manuscript appears and disappears throughout history, from the library of the Holy Roman Emperor Rudolf II to a secret sale of books in 1903 by the Society of Jesus in Rome. The book’s language has eluded decipherment, and its elaborate illustrations remain as baffling as they are beautiful. For the first time, this facsimile, complete with elaborate folding sections, allows readers to explore this enigma in all its stunning detail, from its one-of-a-kind “Voynichese” text to its illustrations of otherworldly plants, unfamiliar constellations, and naked women swimming though fantastical tubes and green baths. The Voynich Manuscript [Amazon]

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New Voynich Manuscript reproduction uses new photos, looks great

Freeskiing. At night. On LED-covered skis.

Skier Mathieu Bijasson didn’t think it was insane enough to ski down the steepest faces of the French Alps during the day, so he rigged up some skis and poles with LED lighting and did it at night. The result is visually beautiful and teeth-clenchingly terrifying all at once. (more…)

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Freeskiing. At night. On LED-covered skis.

Virginia State cops have blown a fortune on useless cellphone spying gear

Muckrock has been sending Freedom of Information requests to state police forces to find out how they’re using “cell-site simulators” (AKA IMSI catchers / Stingrays ), and they hit the motherlode with the Virginia State Police. (more…)

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Virginia State cops have blown a fortune on useless cellphone spying gear

Crooks can guess Visa card details in six seconds by querying lots of websites at once

https://www.youtube.com/watch?v=uwvjZGKwKvY In Does The Online Card Payment Landscape Unwittingly Facilitate Fraud? , a new paper in IEEE Security & Privacy , researchers from the University of Newcastle demonstrate a technique for guessing secruity details for credit-card numbers in six seconds — attackers spread their guesses out across many websites at once, so no website gets enough bad guesses to lock the card or trigger a fraud detection system. (more…)

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Crooks can guess Visa card details in six seconds by querying lots of websites at once

Man attempts to sharpen a dollar-store kitchen knife

Using Japanese sharpening stones of various grits and considerable prices, Junskitchen set out to try and make an edge of a $1 kitchen knife. The results are impressive—but how long will they last? [1,000 and 6,000] grits would be enough for a normal household knife. I used grits 1,000, 2,000, 5,000, 8,000, and 12,000 in this video. The higher the number, the finer the sanding and the sharper the knife will be.

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Man attempts to sharpen a dollar-store kitchen knife

The hacker who took over San Francisco’s Muni got hacked

Last week, the San Francisco Municipal Light Rail system (the Muni) had to stop charging passengers to ride because a ransomware hacker had taken over its network and encrypted the drives of all of its servers. (more…)

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The hacker who took over San Francisco’s Muni got hacked