We're all familiar with two dimensional design drawings — not to mention the questions that usually accompany them because they can provide only so much information before becoming hopelessly ...

ALL teachers of electrical engineering are aware of the need for a text-book on the drawing and construction of electrical apparatus. This attempt, however, to supply the need is disappointing.

Pencil sketches on paper can be used as sensors that detect a variety of physiological signals, including heart rate, skin temperature and compounds in sweat. Zheng Yan at the University of Missouri ...