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 ...

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 ...

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

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

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

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

Go back a generation of development, and excepting the shuttle-derived systems, all liquid rockets used RP-1 (aka kerosene) for their first stage. Now it seems everybody and their dog wants to ...

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 ...

Sean Boyce] has been busy building board games. Specifically, an electronic strategy boardgame that is miraculously also ...