Sometimes, security mechanisms can be bypassed if you just do things slightly out of the ordinary. For instance, readout protection on microcontrollers is a given nowadays, to the point where it’s ...

As anyone who’s made a thing knows, a lot of work goes into bringing something from idea to completion. But there’s also considerable satisfaction in the process. [Willian] recently did exactly that, ...

A stopwatch and multimeter can be used to estimate the capacity and voltage of the battery. This demonstration offers a memorable, real-world application of electrochemical principles and gives ...