A great post from HowToGeek.com tells us why everything we know about resolution is probably wrong:
“Resolution” is a term people often throw around—sometimes incorrectly—when talking about images. This concept is not as black and white as “the number of pixels in an image.” Keep reading to find out what you don’t know.
As with most things, when you dissect a popular term like “resolution” to an acedemic (or geeky) level, you find that it’s not as simple as you might have been lead to believe. Today we’re going to see just how far the concept of “resolution” goes, briefly t
alk about the implications of the term, and a little bit about what higher resolution means in graphics, printing, and photography.