Sewage Is Helping Cities Flush Out the Opioid Crisis

Sewage Is Helping Cities Flush Out the Opioid Crisis

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TEMPE, Ariz.—The two-liter bottle of sewage sitting in a lab at Arizona State University is the yellow-brown color of smog. It was shipped overnight from one of a half dozen cities that have recently asked A.S.U. to begin studying their waste for chemical signatures that may help save lives. Such slurries of poop and urine…

Drowning Doesn’t Look Like Drowning

Drowning Doesn’t Look Like Drowning

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Mind over matter? How fit you think you are versus actual fitness – Harvard Health Blog

Mind over matter? How fit you think you are versus actual fitness – Harvard Health Blog

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Your mindset can impact your mortality in surprising ways. The journal Health Psychology recently published a fascinating (and well-written) scientific study suggesting that how fit you think you are affects your risk of death more than how fit you actually are. Here’s how researchers conducted the analysis Researchers at Stanford University examined information collected by…

GR8975-edition

GR8975-edition

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The manuscript now preserved at the Bibliothèque nationale de France, known as Ms. Fr. 640, comprises a compilation of technical “recipes” and observations about craft processes and natural materials. It was most probably written in the late sixteenth century by an experienced practitioner in the vicinity of Toulouse, France. The 171 folios of this rich…

Efficient matrix multiplication

Efficient matrix multiplication

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This is a short post that explains how to write a high-performance matrix multiplication program on modern processors. In this tutorial I will use a single core of the Skylake-client CPU with AVX2, but the principles in this post also apply to other processors with different instruction sets (such as AVX512). Intro Matrix multiplication is…

Map of the Day: Every Ruler in Europe Since 400 BC – The Sounding Line

Map of the Day: Every Ruler in Europe Since 400 BC – The Sounding Line

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Submitted by Taps Coogan on the 27 of May 2018 to The Sounding Line. As part of our ongoing series of historical video-maps, from YouTube creator Cottereau, we present: ‘Every Ruler in Europe Since 400 BC.’ Quite remarkably, the following map shows the specific ruler of every major European state and the change in that…

Oracle plans to dump risky Java serialization

Oracle plans to dump risky Java serialization

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Oracle plans to drop from Java its serialization feature that has been a thorn in the side when it comes to security. Also known as Java object serialization, the feature is used for encoding objects into streams of bytes. Used for lightweight persistence and communication via sockets or Java RMI, serialization also supports the reconstruction of…

Macron Vowed to Make France a ‘Start-Up Nation.’ Is It Getting There?

Macron Vowed to Make France a ‘Start-Up Nation.’ Is It Getting There?

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PARIS — When President Emmanuel Macron took office, he took pains to include two iPhones in his official portrait, a symbol of his penchant for technology. Millennials throng as he buzzes from one French start-up event to the next. He has wined and dined the chief executives of the world’s largest tech companies, who in…

Chip Hall of Fame: Zilog Z80 Microprocessor

Chip Hall of Fame: Zilog Z80 Microprocessor

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Image: Computer History Museum Z80 Micro-processor Manufacturer: Zilog Category: Processors Year: 1976 Federico Faggin knew well the kind of money and man-⁠hours it took to market a microprocessor. While at Intel, he had contributed to the designs of two seminal specimens: the primordial 4004, and the 8080, of Altair computer fame. So when Faggin founded…

Why “children,” not “childs”?

Why “children,” not “childs”?

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Q: Your recent post about why “chicken” is singular has left me wondering where “-en” plurals such as “oxen,” “brethren,” “children,” “men,” “women,” and the archaic eyen come from. A: In Old English, nouns that followed certain patterns formed their plurals with -n rather than –s. These included the one you mention, eyen (“eyes”), as…