Controlled manipulation of fibers that are as thin as or even thinner than human hair is a real challenge. Despite ...

A nanodevice developed at EPFL produces an autonomous, stable current from evaporating saltwater by using heat and light to control the movement of ions and electrons. Previously, researchers in the ...

Voltage John Williamson, the electrical operations supervisor for the Minnesota Department of Labor and Industry, compares voltage in an electrical circuit to the pressure exerted on water flowing ...

It is important for machine design engineers to understand how transformers work so they can design machinery that operates optimally within the proper voltage ranges, as well as select the right ...

Power in your home does not have to go out for your electronics to be in trouble. The same invisible spikes that make lights flicker can quietly weaken circuit boards, corrupt control panels, and ...

Alternating current (AC) electrical power has been used in industrial facilities and in people’s homes since 1882. Over the years, we have come to recognize the hazards associated with AC, and safety ...