India celebrates the discovery that explained why the ocean looks blue
Every February, India observes National Science Day to honor Sir C.V. Raman’s 1928 discovery of the Raman Effect, which revealed how light scatters to give the sea its brilliant blue color.
Physicist C.V. Raman won the Nobel Prize after proving that when light passes through a transparent material, some of the deflected light changes wavelength. This groundbreaking observation, known as the Raman Effect, finally provided a scientific explanation for why the ocean appears blue rather than simply reflecting the sky.
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