If you have to choose what part of your house should be impeccably clean, it should be your bathroom. Kitchens should be clean, too, but they get easily messy, because of all the cooking and eating. The good news is that you can keep your bath.
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)