The way we control the speed of fan motors or pump motors has tremendously changed in the past two decades with the introduction of variable-frequency drives (VFDs), aka variable-frequency controllers ...

Forbes contributors publish independent expert analyses and insights. Scott Hutcheson teaches leadership at Purdue University. When disruption strikes, leaders often find themselves overwhelmed by a ...

System and User Environment Variables have always been a complex topic of discussion for day-to-day Windows OS users. What do they do? A tutorial on the internet said to add a PATH variable, but what ...

Environment Variables are responsible for storing information about the OS’s environment. Different apps and programs require different configurations and it is the job of Windows to ensure that each ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...