Our bodies generate extremely weak magnetic fields as electric currents flow through the heart, brain and other tissues.

A light-controlled meta-surface redirected another beam at femtosecond speeds without relying on slower electronic relaxation ...

A mysterious deep-sea signal baffled scientists for years, until a rare whale surfaced and exposed one of the ocean’s ...

A mysterious object roughly 15,000 light-years from Earth is sending paired bursts of radio waves and X-rays toward our planet every 44.2 minutes. The source, cataloged as ASKAP J1832-0911, is the ...

Pulse density modulation (PDM) is a compact digital audio format used in devices like MEMS microphones and embedded systems. This compact primer eases you into the essentials of PDM audio. Let’s begin ...

Emerging, data-intensive technologies like artificial intelligence and machine learning are gaining popularity. Data centers, which act as the essential infrastructure for these technologies, need to ...

Eye comfort has become a growing concern among smartphone users, as well as device makers, who are paying more attention to the impact of screen time on health. DXOMARK recently introduced its Eye ...

RF signals historically are measured using spectrum analyzers, at least that was before oscilloscopes offered sufficient bandwidth for those measurements. With oscilloscope bandwidths over 100 GHz, RF ...

Modulation in the temporal pattern of transcutaneous electrical nerve stimulation (TENS), such as Pulse width modulated (PWM), has been considered a new dimension in pain and neurorehabilitation ...