waves

Searaser: pump water with waves

Searaser: pump water with waves

(images via dartmouthwaveenergy.com) A horrible name and simple design for pumping water (which can then drive turbines) via wave action on a buoy tethered to the ocean floor (via Treehugger). Not suddenly solving all the world’s energy woes, but large numbers of this relatively simple, DIY-friendly design could have a nice impact towards sustainability…

Wave powered boat

Wave powered boat

The Suntory is able to propel itself through the water using only the energy found in waves. It is an interesting concept, lets hope it can be scaled up to make shipping more environmentally friendly and cheaper. There are other means of free energy out at sea, just look for the big white sails. – […]