great pics: Chinese Landscape Painting by Liu Zhenghui. You can divide it three part to enjoy the painting. The upper is the distant scenery. The central is medium shot and the lower is your close-range.
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)