Scientists in Ghana have developed a device that combines a conventional solar PV-powered steam cooker with sand-based thermal energy storage. The system can achieve a thermal efficiency of 38.9% and ...

It’s easy to live off the grid in this house. Growing up, I lived a short drive away from some of Colorado’s finest mountain towns. My family and I would spend multiple weeks every year hiking among ...

Judge cards give each round criteria for winning, such as “the most attention to the wrong details” or the “most wildly ...

Homeowner Peter Ehrlich created a guide for cold-weather heat pumps on the Zero Percent Club and shared the guide on Reddit.

Looking for a California escape where the air smells like redwoods instead of exhaust, where the pace slows to human speed, and where your day-trip dollars stretch further than that last bit of ...

The heating and cooling business of the Japanese giant has released a new range of heat pumps for commercial projects. The systems have capacities of 40 kW and 50 kW.

A drone's range or lack thereof can make or break it for many tasks. This homemade, solar-powered drone can technically stay ...

David lives in Brooklyn where he's spent more than a decade covering all things edible, including meal kit services, food subscriptions, kitchen tools and cooking tips. David earned his BA from ...

David lives in Brooklyn where he's spent more than a decade covering all things edible, including meal kit services, food subscriptions, kitchen tools and cooking tips. David earned his BA from ...

The folks at Low Tech Magazine are here again, this time with a solar powered coffee maker. Lest you think of a large ...

A scientist is using food waste to turn ultraviolet radiation into electricity with his AuREUS solar panels, making clean ...