Physics spoiler alert: There are actually two methods to move water that don't require an external power source—but that’s not the same thing as running on free energy. The first method is the siphon ...

Imagine you have a natural stream running through a low-lying area on your farm. It’s a great source of fresh water, only you really need it to irrigate some crops sitting at a higher elevation. The ...

Lauren has six years of experience writing and editing home improvement content. She covered lifestyle, DIY, design and cleaning at The Spruce for five years and contributed home improvement pieces to ...

Heat pumps are a cleaner alternative to gas boilers, with government grants now covering much of the upfront cost. Here’s ...

Plenty of homes all over the world, particularly in Europe, get warm using heat pumps and radiators. How does this new heat ...

We may earn revenue from the products available on this page and participate in affiliate programs. Learn More › Solar-powered water pumps harness energy from the sun to efficiently move water from ...