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Q&A Alternative Power Systems

So, I'm familiar with Steam, Electric, and hand powered machines... What else can you do to power a machine (say, for example, a car or a pump)? Requirements: Assuming you build everything from ...

3 answers  ·  posted 8y ago by Tezra‭  ·  last activity 8y ago by Tezra‭

Question society technology science-in-society