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