A knob can make a surprisingly versatile interface, particularly if it’s the SmartKnob, which builds a knob around a BLDC ...

Our planet’s magnetosphere has seen dramatic shifts across its history—even total reversals—but this recent wrinkle doesn’t pose a threat to life Earth’s magnetic field surrounds the planet, with ...

In 1845, Michael Faraday discovered what’s known today as the Faraday Effect—which describes how light and electromagnetism are related. A new study revealed that the magnetic component of light ...

Simulations and satellite data reveal that Earth's magnetic field is more complex than scientists had thought. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

In the evolving landscape of precision sensing, contactless potentiometers are quietly redefining what reliability looks like. By replacing mechanical wear points with magnetic sensing, these devices ...

The Ploopy Knob is a USB accessory that gives your computer a dial with support for high-resolution scrolling. Out of the box it’s designed to act as a vertical scroll wheel, but it runs open source, ...

The magnetic north pole, distinct from the geographic North Pole, is the point where Earth’s magnetic field lines converge. NASA via Rawpixel For decades, Earth’s magnetic north pole has been slowly ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. If you are using ...

A new magnetic digital encoder featuring 14-bit resolution, differential outputs, and a speed range of up to 200-k e-RPM offers accurate and cost-effective position sensing for various robotic and ...

Baumer has released the EB360 bearingless multi-turn magnetic encoder with a compact design for precise feedback in challenging environments. With wear-free operation and a modular, space-saving ...

The Earth's liquid molten outer core, composed mostly of iron and nickel, exerts an electromagnetic field extending from the north and south pole that protects the planet from harmful solar particle ...

One of Earth's defining features is its magnetic field. It forms a protective shield against high-energy particles ejected by the Sun and thus arguably has provided life with a safer place to grow ...