We’ve said it before and we’ll say it again: being able to build your own radios is the best thing about being an amateur radio operator. Especially low-power transmitters; there’s just something about having the know-how to put something on the air that’ll reach across the planet on a power budget measured in milliwatts. This standalone WSPR beacon...
In Terminator 2: Judgment Day it’s revealed that Skynet becomes self-aware in August of 1997, and promptly launches a nuclear attack against Russia to draw humanity into a war which ultimately leaves the door open for the robots to take over. But as you might have noticed, we’re not currently engaged in a rebellion against advanced combat robots. The...
If you’re like us, the oscilloscope on your bench is nothing special. The lower end of the market is filled with cheap but capable scopes that get the job done, as long as the job doesn’t get too far up the spectrum. That’s where fancier scopes with active probes might be required, and such things are budget-busters for mere mortals. Then again, something...
In the world of lambda calculus programming languages there are many ways to express the terms, which is why we ended up with such an amazing range of programming languages, even if most trace their roots back to ALGOL. Of the more unique (and practical) languages, Lisp and Forth probably range near the top, but what if you were to smudge both together?...
In the course of a career, you may run up against projects that get cancelled, especially those that are interesting, but deemed unprofitable in the eyes of the corporate overlords. Most people would move, but [Ron Avitzur] just couldn’t let it go. In 1993, in the midst of the transition to PowerPC, [Avitzur]’s employer let him go as the project they...
The Marimbatron is [Leo Kuipers] ‘s final project as part of the MIT “Fabacademy program” supervised by [Prof. Neil Gershenfeld] of the Center for Bits and Atoms. The course aims to learn how to leverage all the fab lab skills to create unique prototypes using the materials at hand. The final polyurethane/PET/Flex PCB stack-up for the sensor pad Fortunately,...
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