Thursday, October 20, 2016

Use excess electricity from solar panels to heat water or your home

This gizmo can store excess energy as heat so it can be used to heat hot water, perhaps replacing your water tank, and/or heat your home. It can also be used to transfer waste heat from one facility (like a server farm) to another that needs the heat. It works like the little hand warmer heat packs.

Friday, October 7, 2016

Are you drinking wastewater?

Researchers at the University of Arizona find that many communities that take water from rivers are basically drinking wastewater from their neighbors upstream. So why don't we do it right? Treat our wastewater until it's potable and then introduce it back into the public water system. This would reduce natural contaminates like arsenic and reduce the calcification that gums up your coffee maker. And of course reduce our demand on rivers and aquifers.