Forbes contributors publish independent expert analyses and insights. I write about green energy tech that will change your life. Have you ever noticed power lines sagging lower on a hot summer day?

I can’t resist: “Cash is King!” There, I’ve said it (again)! Of course, everyone knows that, but with the economic clouds on the horizon looking uncertain, we might as well use this tired old cliché ...

New research has improved control of slack line flow in steep slope liquids pipelines, whether during commissioning, steady operations, or in the wake of an accident. New research has improved control ...

On a cloudy day in mid-July, a crew of technicians carried a shiny metal orb, about the size and weight of a kid’s bowling ball, under a 110-kilovolt transmission line running near Hamburg, Germany.