On Tue, 17 May 2011 06:41:40 -0400, mm wrote:


Middle sentence of second paragraph is the most relevant.


Otis Frank Boykin was born in 1920 in Dallas, Texas. His mother was a
homemaker and his father was a carpenter. He worked as a laboratory
assistant at the nearby University's aerospace laboratory. Otis
attended Fisk University and Illinois Institute of Technology, but
dropped out after two years because his parents could not afford his
tuition.

Boykin, in his lifetime, ultimately invented more than 25 electronic
devices. One of his early inventions was an improved electrical
resistor for computers, radios, televisions and an assortment of other
electronic devices. Other notable inventions include a variable
resistor used in guided missiles and small component thick-film
resistors for computers.[2]

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So how can one improve an electrical resistor?

Stability and tolerance comes to mind.
--
Boris