Any traveling worker or person who just liked to get work done with a change of scenery every once in awhile will find a new ...

A rack-mounted natural-cooling RMN uninterruptible power supply UPS having ultra-width-efficient load range, 96% efficiency from 10% load, is proposed. It is based on paralleling multiple multilevel ...

A design of ultra-wide-angle reflective polarization conversion metasurfaces (PCM) is realized by using bi-layered metasurfaces backed with metal ground. The upper layer of the element is an ...