WRAL.com: Raleigh, Durham, Fayetteville

This exhibit shows how light can be manipulated, as well as how fast it moves. For instance, if light was slow enough to be seen moving, the "tunnel" image would appear as mirrors getting smaller and smaller, somewhat like a light traveling down a dark tunnel. However, as light is reflected, while traveling at a speed much faster than the human eye can detect, the image appears as an endless tunnel, as the light stays many steps ahead of our eyes.

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