The jiggly, quaking contraption is eye-catching—a natural social media star. But is the science behind vibration plates on ...

Abstract: In this article, an efficient design procedure for the surface PM synchronous machine (SPMSM) with reduced electromagnetic torque ripple is proposed. The method of changing winding ...

CNET has been testing robot vacuums for years, but we're always refining our testing procedures. Here's the process we use to evaluate robot vacuums for cleaning, navigation performance, obstacle ...

Abstract: This article systematically investigates the field and force modulation effects on magnetic field, radial force, and electromagnetic vibration behaviors of a dual permanent magnet vernier ...

Our testers subjected treadmills from brands like Peloton and Sole to rigorous testing in our labs. The most expensive ones weren’t the best.Having a treadmill at home helps keep your fitness ...

The tensile testing machine described here is a fully open-source device designed to determine the mechanical tensile strength of test specimens. At its core, it uses a single-board computer ...

Quicktest is a companion for the excellent Quickemu that attempts to automate some testing usually performed by volunteers in their own time, before release. However, it could be expanded beyond that ...

But there’s one spec that has caused some concern among Ars staffers and others with their eyes on the Steam Machine: The GPU comes with just 8GB of dedicated graphics RAM, an amount that is steadily ...