People have a lot on their minds in this week's letters to the editor, from washing machines to charity to fences.

Engineering design makes all kinds of tradeoffs. Power trades off with torque, strength trades off with weight, and cost can ...

The shift away from fossil fuels to an electrified economy — a move on hold due to U.S. President Donald Trump’s re-crowning of king oil — will advantage those who strongly invest in renewables. It ...

Lower water levels at Lake Mead are likely to lead to higher prices for electricity from Hoover Dam — prices high enough to make the power unaffordable to at least some of the dam's customers, a state ...

Hannah Herbst invented the Beacon hydroelectric generator with just $12 in parts, netting her a $25,000 prize that ...

The US has used 3D printing to create low-cost turbines for hydropower plants and unlock new untapped renewable energy sites.

At an online town hall meeting, speakers said there’s too little transparency and too much state government support for the ...

The assumptions that once sidelined the hydroelectric project may no longer hold true for a resource large enough to meet ...

Imagine a sea of glowing blue lights pulsing to the beat of the music. But instead of glow sticks filled with toxic chemicals, the luminescence comes from living algae, shimmering on demand. In a new ...

HARDWICK – It’s the biggest dam-removal project in Massachusetts, and some aren’t too happy about it. Luke Wright owns a hydroelectric dam in Ware that’s about 10 miles downriver from the Wheelwright ...