Infographic: ElectricityA visual cheat sheet about electrical physics, containing the most important formulas of current and Ohm’s law expressed through an impossible water circuit analogy.(by Pierluigi Scotolati)
This Animated How An Engine Works Infographic Is Just Great
Small "plant" nearly covers the energy use of a single American home. Not much space taken up. This is probably way more than I'd need for off-grid living in a Yurt. But I could harness solar and wind power for all my electric needs.