In 1801, British scientist Thomas Young carried out a 'double slit' experiment that has gone down in physics history: By shining light through two slits in a material, he showed that light behaved like a wave, taking different paths simultaneously only...
In 1801, British scientist Thomas Young carried out a 'double slit' experiment that has gone down in physics history: By shining light through two slits in a material, he showed that light behaved like a wave, taking different paths simultaneously only to intefere in predictable ways once they recombine.
It's not just photons that act this way, either. Scientists have used similar setups to show electrons, neutrons, and whole atoms behaving in the same fashion, establishing a core tenet of quantum physics as a theory based on probability. "Our experiment reveals more about the fundamental nature of light while serving as a stepping stone to creating the ultimate materials that can minutely control light in both space and time,"Sapienza and his colleagues utilized a thin layer of indium tin oxide, a material used in smartphone screens.
That the experiment outran the theoretical modeling suggests that part of that modeling needs to be rethought: materials don't necessarily interact with light exactly the way scientists thought they did .
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