Photoshop cc 2014 tutorial in 2 parts showing how to create a post-1970s, well-worn, military dog tag with stamped, metal ...

Seamus Heaney Centre at Queen’s has announced the appointment of Marcella L.A. Prince as its new Publishing Fellow, and Emma ...

If you’re like me, you have hazy memories from high school physics class about the difference between alternating current (AC) and direct current (DC). But what you may not know about is the ...

Single-contact LEDs driven with alternating current mean brighter, sharper smart glasses. (Nanowerk News) LEDs, or light-emitting diodes, are essential components in near-eye displays like virtual ...

The harnessing of electricity has played a pivotal role in human history and has exponentially expedited our growth as a species. Since becoming a household commodity in the late 19th century, ...

As the story goes, the rock band AC/DC took its name from a label on an old sewing machine in the Young brothers’ home. It must have meant that the machine could run on either alternating-current or ...

The battery as we know it today was an invention of Italian chemist and physicist Alessandro Volta. He witnessed electricity splitting water into its constituent elements of oxygen and hydrogen and ...

Power relays are specifically designed to handle either AC or DC. It’s important to know the fundamental differences between them before building them into a system. Introduction to AC and DC Power ...

The ever innovative and prolific Mr. Woodward has offered “PWM-programmed LM317 constant current source,” an intriguing programmable constant current source which elicited a lively conversation in its ...

We’re familiar with single-phase AC at the outlet, but multiphase AC offers advantages and is necessary for higher-power installations. For most engineering designs, the circuit’s DC operating power ...