Why “children,” not “childs”? (2016)

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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. These included the one you mention, eyen (“eyes”), as well as earan ...

Resilient Web Design

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This is a web book, designed to be read on the web (with or without an internet connection). So you can start reading now. But if you’d prefer to have a copy of this book in another format, you can download a PDF in portrait format (7 MB) or a PDFin ...

How to write efficient matrix multiplication

Analog Devices AD9361 – when microchips are more profitable than drugs

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When Analog Devices released their SDR transciever AD9361 in 2013 - it was a revolution in digital radio. SDR's were there before, but only now you can have it all: 2 channels for TX and RX with onboard 12-bit DAC/ADCs with 56MHz of RF simultanious ...

Making and Knowing: A minimal edition of BnF Ms Fr 640 in Translation (c. 1600)

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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 ...

Every Ruler in Europe Every Year Since 400 BC

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As part of our ongoing series of historical video-maps, 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 state ’s borders during each ...

CPU Shack Museum: Mainframes and Supercomputers, from the Beginning Till Today

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This article is provided by guest author max1024, hailing from Belarus.  I have provided some minor edits/tweaks in the translation from Belarusian to English. We all have computers that we like to use, but there are also more productive options in ...

What really happened to that melted NASA camera?

The story is not quite what has been bouncing around social media.

Kitty Marion: an actress who became a suffragette who planted bombs

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When a student researching in the archives of a London museum read the unpublished memoirs of a suffragette bomber, she began to wonder if the history of the movement had been sanitised. The suffragettes may have won the vote for women, but some ...

Hotelling’s Law

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In the end, by moving to the middle the vendors haven’t gained anything —they’re still both serving just half of the beach. But look what’s happened to the sunbathers. Now a lot of people have to walk more than a quarter of a mile. Some have to walk ...

Homespring – A Metaphor Oriented Programming Language

Homespring, or HOtMEfSPRIbNG, is short for "Hatchery Oblivion through Marshy Energy from Snowmelt Powers Rapids Insulated but Not Great". Homespring was the very first metaphor-oriented programming language. These days, of course, there are ...

Tomorrow's cities: Google's Toronto city built 'from the internet up'

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On Toronto's Eastern waterfront, a new digital city is being built by Sidewalk Labs - a firm owned by Google's parent Alphabet. But the deal has been controversial, representing one of biggest ever tie-ups between a city and a large corporation. ...

Space Invaders from Scratch

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In this series of posts, I am going to create a clone of the classic arcade game, space invaders, in C++ using only a few dependencies. In this post I will set up a window with an OpenGL 3.3 context using GLFW and GLEW, as the only dependencies for ...

Psychopathy to Altruism: Neurobiology of the Selfish–Selfless Spectrum

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Reviewed by: Sue Llewellyn, The University of Manchester, United Kingdom; Livia Colle, Università degli Studi di Torino, Italy This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution ...

Zero-Overhead Tree Processing with the Visitor Pattern

The Visitor Pattern is one of the most mis-understood of the classic design patterns. While it has a reputation as a slightly roundabout technique for doing simple processing on simple trees, it is actually an advanced tool for a specific use case: flexible, ...

Toshiba’s loss of star engineer tells tale of company's decline

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TOKYO -- At the Computer History Museum in Silicon Valley, among the photos of Steve Jobs, Bill Gates and others who shaped the computing revolution is a less well-known Japanese engineer.

How stress echoes down the generations

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THE effects of child abuse can last a lifetime. Neglected or abused children have a higher risk of developing all sorts of ailments as adults, including mental illnesses such as depression but also physical ones like cancer and stroke. In fact, the effects ...

Chip Hall of Fame: Zilog Z80 Microprocessor (2017)

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Another legend from the 8-bit era, this processor powered the first portable computer as well as the beloved “Trash-80” Federico Fagginknew well the kind of money and man- ⁠hours it took to market a microprocessor. While at Intel, he ...

The ‘suprasecular’ stagnation

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Though US wage inflation and global growth are increasingly showing signs of life, proponents of the ‘secular stagnation ’hypothesis remain sceptical –“it is more likely that a combination of rising inequality, slow labour force and productivity growth, ...

Y Not? – Adventures in Functional Programming (2012)

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Jim Weirich has been developing now for over 25 years, working with everything from crunching rocket launch data on supercomputers to wiring up servos and LEDs on micro-controllers. Currently he loves working in Ruby and Rails as the Chief Scientist ...

Amateur Astronomer Captures Rare First Light of a Supernova

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Sequence of combined images (negatives, so black corresponds to bright) obtained by Víctor Buso as SN 2016gkg appears and brightens in the outskirts of the spiral galaxy NGC 613. Labels indicate the time each image was taken. The object steadily ...

Show HN: Improved Seam Carving Using Forward Energy

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Seam-carving is a content-aware image resizing technique where the image is reduced in size by one pixel of height (or width) at a time. A vertical seam in an image is a path of pixels connected from the top to the bottom with one pixel in each row. ...

Writing self-documenting Swift code

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When and how to write documentation and code comments tends to be something that causes a lot of debate among developers. This week, let's take a look at a few simple tips and tricks that can let us write code that is more self-documenting - code that makes the underlying intent and ...

Python – Modifying Events with the Google Calendar API

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NOTE: The code featured here is also available as a video + overview post as part of this developers series from Google. In an earlier post, I introduced Python developers to adding events to users ’calendars using the Google Calendar API. However, ...

Insider Accounts of Computing and Life at BBN: A sixty-year report (2011) [pdf]

This research was supported by the volunteer labor of many BBNers past and present, and this is not a Raytheon BBN publicationFor decades BBN used a design for reports to customers that consisted of grayish cover paper, black lettering, and a GBC binding. ...

Mapping the Segregation of Metro Atlanta’s Amenities

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CityLab’s series on metro Atlanta’s cityhood movementfollows how new cities have been forming across that region, mostly from unincorporated areas —land that falls under county governance, but doesn ’t belong to any particular city. In most other regions ...

Penniless Yogi Baba Ramdev Controls a Billion-Dollar Corporation

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Baba Ramdev renounced the material world. So why is he selling toothpaste, instant noodles, and toilet cleaner? Twenty-three years ago, when he was a poor young yoga instructor living at the foot of the Himalayas, Baba Ramdev pledged to spend the rest ...

Great product managers don’t spend their time on solutions

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Over the past few years, we’ve learned a lot about building product at Intercom. Some things have worked really well, some less so. To try and learn how to replicate our product successes as we scale, and teach new people what is working, we ’ve been ...

Goals vs. Systems

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In my new book, How to Fail at Almost Everything and Still Win Big: Kind of the Story of My Life, I talk about using systems instead of goals. For example, losing ten pounds is a goal (that most people can’t maintain), whereas learning to eat right is a system that substitutes knowledge for ...

Experimental music notation resources (2015)

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As somebody with one foot in the visual art world and the other in sound world, I have always been interested in the experimental music notation strategies. Aside from the fact that these are often beautiful artifacts, I love thinking about the “utility” of images: how/when image becomes an ...