Environment & Energy

We used metal cans used for honey, nuts, and maple syrup sold in bulk back in the 70s, just fill them with water and stack them up inside a Trombe-Michel wall. Nothing much helped in New England Dec-Feb, but the rest of the year they provided a huge amount of help with heating.

There is progress being made on the electrical storage front. I came across this one a couple of weeks ago. China claims to be developing the technology on a grid level, we'll see. As this video points out, these batteries won't burn: