From the most distant stars in the sky to the screen in front of your face, light is everywhere. But the exact nature of ...

The fundamental particle of light is both ordinary and full of surprises. What physicists refer to as photons, other people might just call light. As quanta of light, photons are the smallest possible ...

Sam Baron receives funding from the Australian Research Council. Hi Ishan! Thanks for your great question. Light can be described both as a wave and as a particle. There are two experiments in ...

The double-slit experiment is one of the most famous experiments in physics and definitely one of the weirdest. It demonstrates that matter and energy (such as light) can exhibit both wave and ...

If you’ve ever seen strange concentric ring patterns show up when two panes of glass are pushed together, you’ve seen Newton’s rings. Most people see them as evidence of the wave nature of light.

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Light beams striking a flat surface are commonly considered to reflect with perfect symmetry. But highly precise experiments in the infrared region have now confirmed that this is not truly the case ...