Deep in his almond grove, Madera County almond farmer Tom Rogers reviews his irrigation data on his tablet, next to a device measuring temperature and humidity. A soil moisture sensor, seen near ...

Last fall, before the epic, near-biblical rains of early 2023 pushed California’s historic drought off our collective radar, the Los Angeles Department of Water and Power announced a pilot ...

Researchers have developed a new optical sensor that provides a simple way to achieve real-time detection of extremely low levels of arsenic in water. Researchers have developed a new optical sensor ...

If you purchase an independently reviewed product or service through a link on our website, Rolling Stone may receive an affiliate commission. A drop of water may not seem like a big deal, but ...

This is a very simple liquid detector that use a relay to open an evacuation van. You can use it for water or any liquid that conduct electricity. Use any PNP transistor that can stand the relay ...

This hose-attached smart sprinkler maps your yard, rotates on command, and measures water use. Despite these clever features, the results are a little uneven.

The points A and B of the circuit are connected to the points A and B of the rain sensor respectively. When rain is falling, the rain water will fall on the rain sensor which has aluminum wires on ...