Tools can change not only how theorists calculate but also what they calculate about. But two decades ago, Ursula Klein, a scholar from the Max Planck Institute for the History of Science in Berlin, ...

Thinking diagrammatically as a way of conceptualizing our world has been in existence from the moment the first cave-person picked up a soft 'rock' and started making markings on the walls of his/her ...

Light can pass straight through transparent close transparentA material, object or substance which allows light to pass through it so that an image can be clearly seen through it. materials.