Discover the art of building an underground fish pond and aquascape in a lush forest setting. Follow a skilled creator as he excavates a spacious cave, shapes interconnected pools, and constructs a ...

According to the patent, habitable modules would rotate around a central axis to simulate gravity for crew by producing an outward-pushing centrifugal force.

The powerful microburst storm permanently shut down Bethel's gravity-fed system. The town's water users now rely on five drilled wells to supply its drinking water. The upgrade came with higher costs ...

Wastewater flushed down the drain can be used to heat and cool homes and buildings in a sustainable way and climate experts say it's an untapped source of energy due to its stable temperature of ...