Gravity Water, with support from companies like Apple, is installing rainwater harvesting tech at hundreds of locations ...

they could collect more water by relying on only gravity. "A common challenge in atmospheric water harvesting systems is that water droplets tend to remain pinned to the surface [of the device ...

Water towers are everywhere, and while they might not seem to be doing much, when was the last time you turned on a faucet in ...

For example, [Tom Stanton] took a previous air engine design, did away with the air compressor, and instead used gravity and water to create just a few PSI to run the engine. The basic setup is to ...