Inspect this drawing of Ironman. You might think it's a pencil sketch at first, but look closer and you'll realise that it's actually an artwork made out of shorn hair. Wang Xiaojiu, is a ...

You've probably doodled with one of these in class: a blue Bic pen. But when Oscar Ukonu uses ... Hatching is a common artists' technique used in drawing to create tones and shading using closely ...