Can a photon be caught behaving like a wave and a particle in the same run of an experiment? For almost a century, that ...

Physicists in China have brought one of Einstein’s thought experiments into reality—but not quite with the outcome he hoped for.

A single atom as a movable slit: Researchers realize Einstein's thought experiment in original form, observing ...

For more than a century, the double-slit experiment has been the sharpest test of what reality is made of, and of whether ...

"These single atoms are like the smallest slits you could possibly build." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. For over 100 years, ...

A celebrated experiment in 1801 showed that light passing through two thin slits interferes with itself, forming a characteristic striped pattern on the wall behind. Now, physicists have shown that a ...