energy efficiency

That’s how I first met Sarah, last week in southwestern Pennsylvania, just outside Pittsburgh. A young woman and new entrepreneur, a single mom working two jobs to make ends meet. Last winter, she got a heating bill that almost killed her. This year? This year, she’s warm, she’s confident, and...

Bitcoin miners, usually derided for their energy-hogging ways, are becoming reheated Bitcoin miners reconsidered and made useful as a home heating alternative. This groundbreaking strategy captures and reuses the heat produced by Bitcoin mining equipment. It makes heat, potentially saving households on energy bills and making these devices do double...