Why do we need to see …
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Meghna Thapar 5 years, 6 months ago
We are able to see because light from an object can move through space and reach our eyes. Once light reaches our eyes, signals are sent to our brain, and our brain deciphers the information in order to detect the appearance, location and movement of the objects we are sighting at. We see objects when light is reflected from that object and enters our eye. We know that we can see because of light as there are cells in our eye that detect the electromagnetic spectrum. When these reflected photons enters our eyes and falls on retina, it creates a sensation and we can see that object.
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