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The lowest cost per watt solar hot water panel. Build guide in description.

IRS Reinstates $20,000 / 200-Transaction Threshold For Form 1099-K

Mystery Billionaire Who Donated $130M to Pay Our Troops During Shutdown Has Been Identified

Steve Bannon and Energy Consultant Dave Walsh on Electricity Shortages in States Including...

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Graphene Dream Becomes a Reality as Miracle Material Enters Production for Better Chips, Batteries

Virtual Fencing May Allow Thousands More Cattle to Be Ranched on Land Rather Than in Barns

Prominent Personalities Sign Letter Seeking Ban On 'Development Of Superintelligence'

Why 'Mirror Life' Is Causing Some Genetic Scientists To Freak Out

Retina e-paper promises screens 'visually indistinguishable from reality'

Scientists baffled as interstellar visitor appears to reverse thrust before vanishing behind the sun

Future of Satellite of Direct to Cellphone

Amazon goes nuclear with new modular reactor plant

China Is Making 800-Mile EV Batteries. Here's Why America Can't Have Them

China Innovates: Transforming Sand into Paper