Lunar impact glass becomes a mighty mountain in new 'Nanocosmos: Journeys in Electron Space' images (exclusive) ...

Huntsville is pleased to host the USATF Masters Outdoor Championships at Milton Frank Stadium this summer, bringing the track community for the first time to our ...

Abstract: In the actual operation of ultrasonic motors, their real-time output speed and thrust are closely related to the real-time input voltage and current. Judging the output mechanical ...