Programmable superconducting diode can flow on command

A team of researchers led by the University of Pittsburgh demonstrated a programmable superconducting diode at the ...
IEEE

Digital Predictive Current-Mode Control for Asymmetrical Half-Bridge LED Constant-Current Driver

Abstract: In this paper, we propose three advanced digital predictive current-mode control (DPCC) algorithms based on a simplified estimation method of duty cycle lost time for asymmetric half-bridge ...
IEEE

Integrated Bridgeless-Boost Nonresonant Half-Bridge Converter Employing Hybrid Modulation Strategy for LED Driver Applications

Abstract: A single-stage high-power-factor LED driver based on the integration of the bridgeless boost rectifier with the nonresonant half-bridge converter (BLB-HB-NR) employing a hybrid modulation ...
Nature

The surprising science behind red-light therapy — and how it really works

People are buying helmets, face masks, vests and beds that emit long-wavelength light. Beneath the hype, there is some ...

Could a Psychedelic Stop Your Brain From Aging? Longevity Guru Bryan Johnson Is Giving It a Shot

But his brain stubbornly remains at the anatomic age of 42. “The brain is really hard to rejuvenate,” he lamented on ...