Quote:

The pixels on a CRT are physical things as well. There is a shadow mask or apature grill (located about an inch behind the glass screen) which defines the minimum size of the picture elements (RGB) that make up a pixel.

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I knew someone would call me on that.
Yeah, CRT pixels have physical definitions, but I couldn't think of an effective way to describe the difference. I'm no computer display expert, and am just trying to get the point across that LCD pixels are a different beast then CRT pixels.

Does this help to clarify:

LCD pixels are the intersecting points on a grid that allow the controller to activate the Liquid Crystals to block certain frequencies of light, creating the image. Since this is a set grid, each pixel is individually addressable and is a definite point on the physical screen. CRTs are controlled by an electron gun and can easily spread "virtual pixels" over several physical pixels (where virtual pixels are the pixels in the displayed image and physical pixels are defined by the aperture grid and shadow mask) for smoother blending.

See  here  for a cleaner version of what I just typed. And  here for more on computer displays in general.