After watching a few videos on the internet about how to build a simple DC electric motor, I though that this is something I could also do with materials that (mostly) I already have available at home.

An energy efficient appliance uses less power, consumes less electricity and saves us money, there is nothing to argue here… But, is it worth to pay more money for an appliance that uses less power? For

Recycle magnets and motors from old toys

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Every time that we use water at home, the amount of water being consumed is being accounted by the water meter and the reading on the water meter it is used by the water providers to invoice us for our