Rain barrels have become the eco-friendly badge of honor for modern homeowners. They promise lower water bills, greener gardens, and a feel-good sense of sustainability that makes you feel like you’re ...

ASHEVILLE - Around noon on one of the hottest days in August, the tinny sound of a handsaw cutting through an aluminum downspout shrieks through the air near the corner of Martin Luther King Jr. Drive ...

Water flowing through a thin, polymer-coated tube in short bursts, or plugs, as demonstrated in these illustrations and images, can produce electricity. When two materials come into contact, charged ...