> one cannot feasibly produce resistors with values as elements of a dense subset of the real line, being, as analysis taught us, an uncountable set The ration

> one cannot feasibly produce resistors with values as elements of a dense subset of the real line, being, as analysis taught us, an uncountable set The rational numbers are an example of a countable dense set. Unfortunately, countably-infinite product catalogs are still a bit unwieldy.