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3,780,592 results
You may have heard that light can act like a particle and like a wave. It can bounce off a mirror like a particle, and it can bend and ...
99,190 views
11 months ago
Look, up in the sky, it's a particle! It's a wave! Actually it's both. It's light! How do we know about this stuff? Well, because of Einstein ...
741,979 views
8 years ago