How do scientists explain quantum entanglement? In the video below, Caltech faculty members take a stab at explaining entanglement.

New technologies that use properties of quantum mechanics have the potential to change how we think about encryption and computer cryptography in two main ways.

One of the fundamental principles of quantum mechanics, superposition explains how a quantum state can be represented as the sum of two or more states.

Entanglement: This is a phenomenon that occurs when two or more objects are connected in such a way that they can be thought of as a single system, even if they are very far apart. The …

And that's what we do in particle physics. We're zooming in on smaller and smaller structures, smaller and smaller scales. What is quantum gravity? KZ: What we've been doing over the last …

So those are some of the most commonly used particle filters. And for gas-phase pollutants, I would recommend a filter that uses activated carbon that basically just uses adsorption so the …

Viruses like the novel coronavirus behind COVID-19 infect a host, make copies of themselves, and spread throughout the body.

The Caltech Science Exchange provides clear and credible explanations of high-profile science and engineering topics.

For more than a century, Caltech has marshaled the resources of research and education to fuel knowledge and innovation that benefit humanity. We believe that science lends essential …