When I was finally granted an interview with Sir James Dyson to talk about the invention of the cordless stick vacuum, I was ...

Discover how to create a simple electric motor using everyday materials in this step-by-step tutorial. Learn how to build a ...

Look closely at this image, stripped of its caption, and join the moderated conversation about what you and other students see. By The Learning Network Look closely at this image, stripped of its ...

Abstract: The paper discusses the operating characteristics of large commutators. It is pointed out that many cases of blackened and burned bars are caused initially by a slight roughness which causes ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

Electric motors can seem very mysterious! How do they use electricity to start rotating? Let's break it down step by step to understand how it works. Topics covered in this video: circuits, current, ...

MY attention has been drawn to a note in NATURE of January 11 (p. 253) which quotes from the Electrical World of New York “a novel method of obtaining sinusoidal alternating currents of very low ...

Panacol has developed Vitralit ® UV E-2113, a new UV acrylic adhesive that is ideal for the rapid securing of commutators. This UV adhesive can be applied robotically and cures within seconds under UV ...

Edited by* Robion C. Kirby, University of California, Berkeley, Berkeley, CA, and approved July 13, 2012 (received for review February 15, 2012) The second fact is a heavy theorem of Bourgain and ...

Best of the best: That's the lofty standard for making the World Heritage List. Nations lobby hard to get their glorious buildings, wilderness, and historic ruins on the list, a stamp of approval that ...