Humans have been harnessing the power of water for centuries, using its power to do things like grind down grain into flour. It's come a long way, of course, with massive hydroelectric generation projects like Hoover Dam using water flow to power entire cities.
Now, a startup is putting a modern spin on this age-old technique, going back to its roots with a smaller scale.
Turbulent, a Belgian company, promises its new whirlpool turbine can power dozens of homes, all using the power of water.