Category Archives: Original Art

The $50 Ham: Checking Out the Local Repeater Scene

So far in this series, we’ve covered the absolute basics of getting on the air as a radio amateur – getting licensed, and getting a transceiver. Both have been very low-cost exercises, at least in terms of wallet impact. Passing the test is only a matter of spending the time …read more

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Posted in amateur radio, duplexer, Hackaday Columns, handy talkie, network, Original Art, radio hacks, repeater, simplex, The $50 Ham, traffic | Leave a comment

In Praise Of The App Note

When I am at a loss for an explanation in the world of electronics, I reach for my well-thumbed Horowitz & Hill. When H&H fails me which is not that often, the chances are I’ll find myself looking in an application note from a semiconductor company who is in …read more

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Posted in app note, Application note, Hackaday Columns, Interest, jim williams, Original Art, reviews, semiconductor | Leave a comment

Extraterrestrial Excavation: Digging Holes on Other Worlds

We humans are good at a lot of things, but making holes in the ground has to be among our greatest achievements. We’ve gone from grubbing roots with a stick to feeding billions with immense plows pulled by powerful tractors, and from carving simple roads across the land to drilling …read more

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Posted in Asteroids, digging, drilling, excavation, Featured, Interest, lander, mars, moon, Original Art, regolith, sample, sample return, space, space probe | Leave a comment

Expert Says Don’t Teach Kids to Code

I was a little surprised to see a news report about Andreas Schleicher, the director of education and skills at OECD — the Organization for Economic Cooperation and Development. Speaking at the World Innovation Summit for Education in Paris, Schleicher thinks that teaching kids to code is a waste of …read more

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Posted in children, coding, education, Featured, kids, Original Art, rants, school, stem, students | Leave a comment

What Hardware Lies Beneath? Companies Swear They Never Meant to Violate Your Privacy

“Don’t Be Evil” was the mantra of Google from years before even Gmail was created. While certainly less vague than their replacement slogan “Do the Right Thing”, there has been a lot of criticism directed at Google over the past decade and a half for repeatedly being at odds with …read more

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Posted in Current Events, Hackaday Columns, Nest Guard, Original Art, rants, security hacks, Singapore Airlines, surveillance, undisclosed features, undisclosed hardware | Leave a comment

Saving Your Vision From Super Glue In The Eyes

Super glue, or cyanoacrylate as it is formally known, is one heck of a useful adhesive. Developed in the 20th century as a result of a program to create plastic gun sights, it is loved for its ability to bond all manner of materials quickly and effectively. Wood, metal, a …read more

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Posted in adhesive, adhesives, eye safety, Featured, glue, Original Art, safety, super glue, superglue, workshop safety | Leave a comment

Blacksmithing For The Uninitiated: What is a Forge?

Blacksmiths were the high technologists of fabrication up until the industrial revolution gained momentum. At its core, this is the art and science of making any needed tool or mechanism out of metal. Are you using the correct metal? Is the tool strong where it needs to be? And how …read more

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Posted in blacksmith, blacksmithing, forge, forge work, Hackaday Columns, how-to, metalwork, Original Art, Skills | Leave a comment

Better Living Through Science: Why Your Kids Probably Aren’t Getting Measles

Oddly, there’s been a few recent outbreaks of measles. It struck me how when I was a kid, a few hundred kids getting measles wouldn’t have been news at all. However, even a handful makes the news now, since in 2000 the Center for Disease Control declared measles eradicated in …read more

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Posted in Biography, Current Events, Hackaday Columns, measles, Medical hacks, Original Art, vaccine | Leave a comment

Putting the Brakes on High-Frequency Trading with Physics

In the middle of the East Coast’s slow broil in the summer of 2018, a curious phenomenon surfaced. As a tropical air mass settled in and smothered the metropolitan New York area, a certain breed of stock speculator began feeling the financial heat as the microwave signals linking together various …read more

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Posted in delay line, Featured, fiber optics, finance, high-frequency trading, Interest, Original Art | Leave a comment

Stethoscopes, Electronics, and Artificial Intelligence

For all the advances in medical diagnostics made over the last two centuries of modern medicine, from the ability to peer deep inside the body with the help of superconducting magnets to harnessing the power of molecular biology, it seems strange that the enduring symbol of the medical profession is …read more

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Posted in ai, artificial intelligence, Interest, Johns Hopkins University, Medical hacks, noise cancelling, Original Art, stethoscope | Leave a comment