Not too long ago, I was searching for ideas for the next installment of the “Big Chemistry” series when I found an article ...

The Intel 8051 series of 8-bit microcontrollers is long-discontinued by its original manufacturer, but lives on as a core ...

If you take two objects with fairly smooth surfaces, and put these together, you would not expect them to stick together. At ...

Cryptographic messaging has been in the news a lot recently. Like the formal audit of WhatsApp (the actual PDF). And the ...

Of all FDM filament types, flexible ones such as TPU invite a whole new way of thinking, as well as applications. Case in ...

No, see, it’s what’s inside that counts. Believe it or not, [nobutternoparm] retrofitted this innocent, adorable little ...

You think of op amps as amplifiers because, no kidding, it is right in the name. But just like some people say, “you could do ...

In these days of everything-streaming, it’s great to see an old school radio build. It’s even better when it’s not old-school ...

Not all clamp meters are the same, and this video shows just that. In a recent teardown by [Kerry Wong], the new Fnirsi ...

Morse code can be daunting to learn when you’re new to the game, particularly if you need it to pass your desired radio ...

The 1970s saw a veritable goldrush to corner the home computer market, with Tandy’s Z80-powered TRS-80 probably one of the most (in)famous entries. Designed from the ground up to be as cheap ...

Every year lightning strikes cause a lot of damage — with the high-voltage discharges being a major risk to buildings, ...