TVs Keep Getting More Pixels — but We Are Approaching the Limits of What Our Eyes Can Actually See

I remember sitting very close to the TV as a child and seeing that the image was made up of tiny colored dots, each of which broke down into miniature vertical strips of red, green, and blue when I looked even closer.

Back then, a television was a bulky box that sat on its own stand. Today, screens are so thin that they hang flat on the wall.

At the same time, picture quality seems to improve every few years. Manufacturers promise sharper resolution, brighter images, and richer colors, with labels such as HD, 4K, 8K, OLED, and QLED.

But can television images really keep improving forever? Or are we approaching the limits of what our eyes can actually see?

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