"Whether light is a particle or a wave is a very old question," Riccardo Sapienza, a physicist at Imperial College London, ...

Does light behave more like a particle, or like a wave? Today we know the surprising answer. Here's why it took so long to get there. When you purchase through links on our site, we may earn an ...

In an unusual physical reaction, gravity itself is turned into light that can flash after a star has died. We’ve all heard ...

We now know the photons that make up light are not waves like those on the ocean when behaving in a wave-like manner. Instead, what we are seeing is now known as a wavefunction.

But most of all, they’re light. When you think of light, you’re thinking of photons. ... The distance between crests is called the wavelength, and the amplitude of a wave—its strength, ...

We’ve all heard that light is a wave that can behave as a particle, but this is next-level transformational physics. Visible light is comprised of photons, and photons are one of the fundamental ...

Light is a wave. Although this simple statement has been known to scientists for over a century, new properties and applications of light waves are routinely discovered and explored by researchers ...