Your watch’s VO2 max isn’t perfect, but you can improve its accuracy with better data and heart-rate tracking.

When the IBM PC was new, I served as the president of the San Francisco PC User Group for three years. That’s how I met PCMag’s editorial team, who brought me on board in 1986. In the years since that ...

Abstract: Repetitive partial discharges (PDs) occurring within minor faults in the insulation system of an electrical machine accelerate insulation degeneration and cause premature failure. Therefore, ...

Abstract: The quality of the hospital room environment is essential, as infection-causing germs can spread through airborne droplets or direct contact. Several factors, including occupancy density, ...