There is a fundamental limit to the knowability of the universe. There is a fundamental limit to the knowability of the universe. The Heisenberg uncertainty principle tells us that the more precisely ...

Superposition is nothing more than addition for waves. Let's say we have two sets of waves that overlap in space and time. At any given point, a trough may line up with a peak, their peaks may line up ...

Time mirrors are very cool. They seem a bit magical, undoing the damage that time has done, at least under the right circumstances. For light and for water waves, we know how to make a mirror that ...

In 1931, Harvey Elliott White developed a device that traced out the shapes of electron clouds by approximating solutions to ...

Receive emails about upcoming NOVA programs and related content, as well as featured reporting about current events through a science lens. Quantum mechanics says not merely that the world is ...

Imagine that you met a charming girl in school. She is an excellent student who concerns about the world welfare and is anti-war and anti-nuclear. Which do you think she is most likely to become in ...