To help gardeners determine how much—and how often—to water, we tested some of the top soil moisture meters on the market. Find out which ones scored the highest in our hands-on tests.

"We never fully imagined the 'magic' that the lunar soil possessed." Soil excavated from the moon could be used to produce oxygen and methane, which could be used by lunar settlers for breathing and ...

Designing an analog circuit can be a frustrating experience, as noted by Nick Cornford in his Design Idea (DI), “DIY RTD for a DMM.” With a fortnight’s struggle, I completed the design of 4 mA to 20mA ...

The country hangs on a hugely significant precipice, as President Donald Trump moves toward making good on his long-running suggestions of an extraordinary step: deploying the military on US soil.

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...

Abstract: Automatic Smart Plant Watering System is a smarter solution that works on Arduino Uno, which can automatically operate for plant watering at optimal moisture conditions of soil. It checks ...

This article is part of "Build IT: Connectivity," a series about tech powering better business. Stakes are high for farmers. Surveys have found they're eager to save time, cut costs, and use resources ...

A collaborative initiative involving USACE ERDC, NREL, and utilities is testing an innovative approach to improve accuracy in identifying and isolating potential fire-starting faults. The technology ...