A carbon flat commutator is widely used in a DC motor driving an automotive fuel pump. The authors have reported the commutation phenomena such as arc duration and wear/erosion of brush and commutator ...

When I was finally granted an interview with Sir James Dyson to talk about the invention of the cordless stick vacuum, I was worried that he wouldn’t have much to tell me beyond basic talking points.

Basic Allowance for Subsistence (BAS) pays for the cost of a military member's meals when dining at their permanent duty station. Although BAS is meant to offset the cost of a member's meals, it doesn ...

I have moved all the original BASIC source code into a folder for each project in the original book (first volume). Note that Lyle Kopnicky has generously normalized all the code (thanks Lyle!) to run ...

Assess the situation to ensure it's safe before providing first aid. Use the ABCDE approach: Airway, Breathing, Circulation, Disability, Exposure. Learn CPR and how ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Erika Rasure is globally-recognized as a leading consumer economics subject matter expert, ...