Photons are the fundamental units of light that humans directly perceive with their eyes. When we look at an object, such as a chair, we are actually seeing the photons that have reflected off it. These photons form a pattern that our brain interprets as the chair's image. But Can We See A Single Photon Of Light?
While our eyes can detect a bunch of photons, they cannot perceive a single, isolated photon on its own. Each rod cell in our eyes can detect a single photon, but our brain requires the simultaneous detection of multiple photons in neighboring rod cells to process the visual signal.
Therefore, although our eyes have the capability to detect a single photon, our brain does not perceive it individually. If it could, a single photon would simply appear as a brief flash of brightness at a specific point.
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Can We See A Single Photon Of Light?
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