** Led screens - contrast **?

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What is the difference between LCD screens and plasma screens?

LCD is Liquid Crystal. Uses a light that is replaceable in most.Plasma is GAS. LCD screens are better. If your going LCD, go HD. LCD (Liquid crystal displays) &Plasma screens use completely differe... Read More »

Which is better: 3000000:1 contrast ratio tv or 150000:1 contrast ratio?

3000000:1 is technically better (higher the better).However, do not trust the advertised contrast ratio of TVs. It now means nothing. (It was useful when brands didn't cheats a few years ago, but n... Read More »

Spinal MRI Contrast Vs Non Contrast?

According to the American College of Radiology (ACR), an MRI, or Magnetic Resonance Imaging, is a diagnostic tool that can be performed with or without contrast. A spinal MRI helps a doctor to dete... Read More »

TV contrast ratio?

Higher is better. Once you get to 15000:1, the difference will be hard to see, except in a very dark room. The numbers themselves don't mean much as they are measured under unrealistic conditions... Read More »