For example, a TV or projector with a contrast ratio of 10,000:1 has a contrast performance that is technically ten times better than that of one with a measured contrast ratio of only 1000:1. Of ...

So here I looked much better than in my AFM picture. As for the hair sample, ... Toumey, C. Compare and contrast as microscopes get up close and personal.

In its simplest terms contrast is how the brightness of an object compares (or contrasts) to the brightness of its background. Think of a white circle against a black background and you get the ...