Medical devicemakers are tapping into electric fields as a new treatment for cancer, The Wall Street Journal reported May 16.  For decades, electricity has been used to treat cardiovascular conditions ...

Neither of those guys are likely to be the ones you want building an instrumentation amplifier. However, one of the darkest arts of the electronic sects is dealing with electromagnetic fields.

A relay-based computer can be simple enough to be built by a home constructor, and at the recent Electromagnetic |Field hacker camp [Rory Mangles] outlined his TIM relay computer built while he ...