Georg Petschnigg throws his hands into the air as he traces the ages of human evolution that led us to develop the fragile wrists we need to use tools. Petschnigg locks his wrist into place and ...

Doodling or making quick notes with pencil and paper is so old school. Cheap. Dependable. Easy to use. Erasable. But old school. Enter the digital sketchpad/notepad. No wasted paper. Tree friendly.

Start by collecting all the old papers that you have, from unimportant letters to old projects that are kept aside gathering dust. Look for papers in newspaper, magazines, office paper, and the likes, ...

Researchers have developed an automatic drawing machine that uses pens and pencils to draw metamaterials -- artificially engineered composite materials that derive their properties from patterned ...