npub16x…npuxy on Nostr: Cheap easy to build super capacitors. The ratios and steps to reproduce are included ...

Cheap easy to build super capacitors. The ratios and steps to reproduce are included in the article. Potassium Chloride NaCl mentioned in the article is table salt. For cement you only need roasted sea shells or wood ash mixed with substrates and water. To create carbon you burn wood without much oxygen. Pile your wood vertically, in a circle, cover and fill the spaces with dry leaves, cover with clay or mud, poke holes in the top and bottom and light from the bottom. https://scitechdaily.com/new-breakthrough-in-energy-storage-mit-engineers-create-supercapacitor-out-of-ancient-materials/