Research reveals how close human vision comes to sensing the smallest possible unit of light. Here’s why that matters for perception.

An experiment measuring a single atom's recoil confirmed that observing a particle destroys interference, settling the ...

Photons are indeed massless, but they still travel through our universe. You can picture the fabric of the cosmos as a sort of grid — one that is four-dimensional and incorporates not only the three ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London. Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and ...

Scientists test Einstein’s quantum challenge with one atom, directly measuring when photon paths erase interference stripes.