PCWorld explains how to create an affordable CO2 air quality monitor using a Raspberry Pi and MH-Z19C sensor for under $40. This DIY project helps monitor indoor air quality since high CO2 levels ...

This all-purpose presence sensor is a master at monitoring indoor activity and linking it to smart home features you already use. For more than 10 years Tyler has used his experience in smart home ...

Imaging technology has transformed how we observe the universe—from mapping distant galaxies with radio telescope arrays to unlocking microscopic details inside living cells. Yet despite decades of ...

Senso is a gamified plant sensor that's designed to use AI to improve plant care. It is supposed to track soil moisture, temperature, and light exposure data in real time, and there is a little pixel ...

Aqara has announced the Spatial Multi-Sensor FP400, a new presence sensor that it says is precise enough to suss out whether you’re sitting, standing, or lying down. The FP400 builds on several past ...

If you read about Hall effect sensors — the usual way to detect and measure magnetic fields these days — it sounds deceptively simple. There’s a metal plate with current flowing across it in one ...

Aqara is introducing a new presence sensor that is a natural addition for HomeKit users who want reliable automations without the need for a camera. The new Aqara FP300 combines mmWave presence ...

A research team led by Professor Jiang Changlong at the Hefei Institutes of Physical Science, Chinese Academy of Sciences, has developed a highly sensitive, real-time sensor for detecting trace water, ...

I’ve never taken one of those tests that reveal your biological age, but I’m pretty sure the results wouldn’t be flattering. Chronic stress, short nights, and an endlessly accelerated pace of living ...

In the South China Sea, near the Paracel Islands, the aqua-colored waters of an expansive shallow reef platform suddenly gives way to a near vertical shaft of vast darkness – an ocean sinkhole almost ...