The increasing dominance of lithium cells in the market place leave our trusty NiMH cells in a rough spot. Sure, you can ...
A gastroscopy is a procedure that, in simple terms, involves sticking a long, flexible tube down a patient’s throat to ...
Build a better mousetrap and the world will beat a path to your door,” so goes the saying, but VHS beat Betamax and the world ...
The magnetic loop antenna is a familiar sight in radio amateur circles as a means to pack a high performance HF antenna into ...
A while back [Clint Basinger] of Lazy Game Reviews fame purchased a rare 1980s Halikan laptop. When he received the parcel, ...
If you’ve ever combed boxes of old tech detritus in search of a nugget of pure gold, we know you’ll appreciate the excitement ...
Full disclosure. If you want a lathe capable of turning metal stock, you probably should just buy one. But what fun is that? You can do like [kachurovskiy] and build one with your 3D printer. If ...
There are few things that can keep a certain kind of mechanically-inclined mind entranced as well as a marble run, and few ...
In this era of cheap lithium pouch cells, it might seem mildly anachronistic to build AA batteries into a project. There are ...
History is full of engineers making (or attempting to make) things out of the wrong stuff, from massive wooden aircraft to ...
In theory, Wankel-style rotary internal combustion engines have many advantages: they ditch the cumbersome crankcase and ...
There is a point where taking technology for granted hides some of the incredible capabilities of seemingly simple devices.