In a way, the magic of a soil moisture sensor’s functionality boils down to a simple RC circuit. But of course, in practice there is a bit more to it than that. [rbaron] explains exactly how ...

Electricity can be a pretty handy tool when it stays within the bounds of its wiring. It’s largely responsible for our modern world and its applications are endless. When it’s not running in wires or ...

A lab-on-a-chip is basically a very small device that can perform laboratory functions on a very small scale, often at the size of a single chip. They are designed to be portable, cost-effective and ...