mark1961 wrote:
My own field of what I need to know about Physics from people like these is also plagued with instantly forgettable surnames. Heat, pressure, gases, liquids and how they mix is essential stuff for learning to Scuba Dive. I have a practical knowledge of such but can I remember which guy in a wig discovered what can I hellers like

The_Metatron wrote:I always thought current flowed from negative to positive. A negative charge being an excess of electrons, a positive charge being a shortage of electrons. Unless you are in the US Navy. They teach hole flow, which goes from positive to negative. At least they used to.

Animavore wrote::whine: What are youse talking about?

Aurlito wrote:

The_Metatron wrote:I always thought current flowed from negative to positive. A negative charge being an excess of electrons, a positive charge being a shortage of electrons. Unless you are in the US Navy. They teach hole flow, which goes from positive to negative. At least they used to.

Actually, current flows from negative to positive, but back then they didn't know it. so they asserted that it flows from positive to negative, and that's what today's circuital calculations are based on.

mark1961 wrote:

Animavore wrote::whine: What are youse talking about?

Something that was forceably tattooed on my brain but it faded.