The Revenge of the Hot Water Bottle
solar.lowtechmagazine.com
Imagine a personal heating system that works indoors as well as outdoors, can be taken anywhere, requires little energy, and is independent of any infrastructure. It exists – and is hundreds of years old.

Imagine a personal heating system that works indoors as well as outdoors, can be taken anywhere, requires little energy, and is independent of any infrastructure. It exists – and is hundreds of years old.

  • fadelkon@collapse.catOPM
    1·
    3 years ago

    Jo en vaig comprar una a la ferreteria abans que comencés l’hivern. Glòria pels peus fred al llit o els mals de panxa ;)