Abstract: A new type of polyphase multivibrator is introduced in which saturable cores are the timing elements and transistors the switching elements. The basic units are like the multivibrators ...

There has been conflicting evidence on the role of parvalbumin expressing neurons (PVNs) in the prefrontal cortex in working memory. Here, the authors show that prefrontal PVN activity scales with ...

Electrical components, like motors close motorA device which spins when current flows through it. Motors are used in fans, food processors and many other devices. and lamps close lampA component which ...

In November and December of 1887, Tesla filed for seven U.S. patents in the field of polyphase AC motors and power transmission. These comprised a complete system of generators, transformers, ...

Two decades after it was built, Southern High School's intercom, fire alarm, fire sprinkler and bell systems are now undergoing a first major upgrade that's worth $570,400, an education official and ...

Wajax Corp. on July 4 announced that its wholly-owned subsidiary, Tundra Process Solutions Ltd., has acquired custom electrical and instrumentation equipment producer Polyphase Engineered Controls Ltd ...

In this video, Jonny Nelson introduces an animated explanation of circuits and how they work. Electrical current transfers energy around circuits.