Although we generally think of Internet of Things (IoT) and similar devices as things that are scattered around above ground, there are plenty of reasons to also have such devices underground. These ...

Neutrons propelled to Earth by cosmic rays from space are helping scientists in more than 25 countries to measure water in soil and help farmers save water and adapt to climate change. With a cosmic ...

Soil moisture sensors are cheap and easy to interface with, to the point that combining one with an Arduino and blinking an LED when your potted plant is feeling a bit parched is a common beginners ...