Black holes have long puzzled scientists, especially because of a problem known as the black hole information paradox. Now, a ...

One of the weirdest theories in cosmology is the holographic principle, the idea that our universe is a three-dimensional image projected off a two-dimensional surface — the idea that, yes, we are ...

The book Flatland: A Romance of Many Dimensions by Edwin A. Abbott explores the concept of physical dimensions through characters who encounter higher-dimensional beings. The protagonist, “A. Square,” ...

A photon starting in a single time bin can be probabilistically transformed to a time-bin qudit state. Credit: American Physical Society A team of researchers has developed a technique that makes high ...

Around 2,500 years ago humankind began to recognize that our planet is round—although a few “flat Earth” supporters still deny this today. The shape of our universe is not clear, however. Previous ...