Variable frequency drives (VFDs), also known as variable speed drives (VSDs), are used to modulate the speed of motors in various applications, from hydronic water pumping to VAV fan units to vacuum ...

After traveling hundreds of miles above Earth and spending months aboard the International Space Station, a University of Delaware experiment has returned to campus, bringing new data on how ...

Water is released from Glen Canyon Dam through bypass tubes, April 24, 2023, during a high-flow experiment. The flood will help move sand and sediment down the Colorado River the way the river's ...

The U.S. Bureau of Reclamation released a torrent of water from Glen Canyon Dam last month as a way of shoring up the sandbars and beaches along the Colorado River. Thanks to the watchful eye of ...