If you’ve dealt with reactance, you surely know the two equations for computing inductive and capacitive reactance. But unless you’ve really dug into it, you may only know the formula ...

If you say that you’re “nuking” something, pretty much everyone will know that you mean you’re heating something in the ...

David Bloomfield] wanted to make some tweaks to an embedded system, but didn’t quite have the requisite skills. He decided to ...

In the early days of computing, and well into the era where home computers were common but not particularly powerful, ...

Roughly the size of a Tic Tac container, this project packs a punch in a compact package. [Matt] sent in this beautifully documented pocket device that brings back great memories of texting on ...

The Star Trek tricorder was a good example of a McGuffin. It did anything needed to support the plot or, in some cases, ...

Recycling 3D filament is a great idea in theory, and we come across homemade filament extruders with some regularity, but they do have some major downsides when it comes to colored filaments. If ...

For all their education, medical practitioners sometimes forget that what’s old hat to them is new territory for their ...

It is easier than ever to produce projects with nice enclosures thanks to 3D printing and laser cutting. However, for a ...

Sometimes you need random numbers — and properly random ones, at that. [Sean Boyce] whipped up a rig that serves up just that ...

A hefty portable power bank is a handy thing to DIY, but one needs to get their hands on a number of matching lithium-ion ...

One of the most paradoxical aspects of creating art is the fact that constraints, whether arbitrary or real, and whether in ...