I used the term "nanometer" (or nm) with abandon. Some investors may wonder what a nanometer really is. It's a billionth of a meter. This is one of the amazing aspects of the world of semiconductors!

A nanometer measures just one billionth of a meter, thousands of times times smaller than the thickness of a human hair. Something that minuscule seems like it would hardly matter, right?

On Thursday, IBM (IBM) announced it has created a 2-nanometer chip, the smallest, most powerful microchip yet developed. Most computer chips powering devices today use 10-nanometer or 7-nanometer ...