heater

instead of buying a heater for our pet rodent, we have designed and built a water heater powered by gravity (and it works although still in the making!) you put boiling water into a container which ge

Let all that roasting hot air out after you cook in the oven! It's so much better than wasting all that heat behind a closed oven door.

We have newly moved house into what could be called, hmmm, a frozen old villa?