Human eyes can detect the smallest units of light

Human eyes can detect the smallest units of light New York (UPI) Jul 21, 2016 - New research suggest the human eye is remarkably sensitive to light. In a recent study, participants were able to detect the presence of a single photon inside a pitch black room. "If you imagine this, it is remarkable: a photon, the smallest physical entity with quantum properties of which light consists, is interacting with a biological system consisting of billions of cells, all in a ... more

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