A brief look at a twenty different diodes, their symbol variations, and a basic description. And yes, we're looking at tubes ...

A water-powered nanogenerator uses droplet formation to convert flowing water into electricity, providing a clean, ...

MINNESOTA, USA — After a pleasant fall day, more sunshine and seasonable temperatures are in store for Friday. Tonight, the coolest night of the season (so far). Freeze Warnings are limited to ...

Robert Kelly is managing director of XTS Energy LLC, and has more than three decades of experience as a business executive. He is a professor of economics and has raised more than $4.5 billion in ...