A magnetometer is a device that measures magnetism: the direction, strength, or relative change of a magnetic field at a ...

The graphite that slips from the point of your pencil onto a page may be of more use than simply writing and drawing. A team of researchers has shown that simple pencil lines can be used as an ...

Bermuda enables device proximity in a room without using any trackers or apps. Using an ESP32, it works as a Bluetooth proxy, ...

There are also sensor-equipped systems that analyze the water on an ongoing basis – according to scientists at the University of South Australia, though, these setups tend to be complex and expensive.

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 are on the computer for a large part of the day, posture becomes a serious issue that can negatively impact your health. [Wingman] saw this problem, and created a hack to help solve it. His ...

Secondary sensors help protect feedback control systems from the effects of sensor drift. Feedback control systems manage many parameters within the pharmaceutical industry. They're used in heaters, ...

Senior author Wei Gao monitors a volunteer wearing flexible sweat sensors while exercising. (Courtesy: Caltech) An international team of scientists has developed an affordable microfluidic-based ...

A year ago [Lochie] bought an Airwick automatic air freshener, and while he thought it was a cool gadget, the freshening spray and the novelty ran out in short order. The device collected dust in his ...