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you can make a tiny battery with ancient-style materials. It’s essentially a vinegar (or lemon juice) galvanic cell using copper and iron inside a porous clay j
by sethammons 1y ago
you can make a tiny battery with ancient-style materials. It’s essentially a vinegar (or lemon juice) galvanic cell using copper and iron inside a porous clay jar. People often call this the “Baghdad battery"
- adgjlsfhk1 1y agothe problem with these hypotheses is the lack of wiring. a very simple battery is not difficult to make (but pay no attention to the energy density), but making a useful circuit that does anything is pretty hard. the simplest possible useful circuit is a lightbulb which requires ability to create tungston wire, a vacuum, and very thin, precise glass.
- nkrisc 1y agoBut what would you even use that for? What large-scale practical application is there for such a device?