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.

  • arbocenc@collapse.catM
    1·
    3 years ago

    A casa dels meus avis les usàvem! Estic per comprar-ne algunes pels de casa, que no saben el que és! Algú sap a on en venen??

    • 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 ;)