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 ...

One clear diagnosis from this year’s corruption scandal is the lack of science in planning and designing flood control ...

Optimizing any cooling plant for minimal energy consumption is a demanding science. In many cases, minimizing chiller plant energy consumption requires modifications to the plant design, including ...

Congolese refugees who fled the violence in the Democratic Republic of the Congo (DRC) to Burundi, use a water point at a hosting site in Rugombo, Cibitoke Province ...