Nearly every modern cellphone has a built-in compass, or magnetometer, that detects the direction of Earth's magnetic field, providing critical information for navigation. Now a team of researchers ...

The magnetometer in your smartphone helps you navigate by powering the device's digital compass. Now researchers have found a way to use it to navigate body chemistry by reading your glucose levels, ...

If shrunken down to micron size, a compass needle could wobble. (Courtesy: iStockphoto/tobias machhaus) A tiny magnetic needle just 10 μm long could be used to create a magnetic-field sensor that – if ...

Apple will tap Japan's Asahi Kasei to provide hardware support for the "magnetometer" — or digital compass — that's slated to make its debut in the company's next-generation iPhone handset, ...

Illustration shows how a smartphone magnetometer can measure a host of biomedical properties in liquid samples using a magnetized hydrogel. Nearly every modern cellphone has a built-in compass, or ...