There are standard designations and symbols that describe how electrical contacts work in specific scenarios.

New Basic Element For Electronic Circuits: 'Memristor' Could Give Computers Memories That Don't Forget Date: May 1, 2008 Source: HP Labs Summary: Researchers from HP Labs have proven the existence ...

(Nanowerk News) HP today announced that researchers from HP Labs, the company’s central research facility, have proven the existence of what had previously been only theorized as the fourth ...