By letting water fall naturally—drop by drop—into a small vertical tube, they found a way to harvest clean electricity with high efficiency. Their secret lies in something called plug flow.

The plug flow system converted more than 10% of the energy of the water falling through the tubes into electricity. And compared to water flowing in a continuous stream, plug flow produced 5 ...

The father of a child who reportedly nearly drowned after falling into “a body of water” while playing behind the Mayborn Museum has filed a lawsuit against Baylor University.