Quantum entanglement involves a special process of splitting photons into two. But it involves a process and a crystal that can split photons. How does that lead to entangled particles? Support Dianna during her recovery - patreon.com/physiscsgirl http://physicsgirl.org/ http://twitter.com/thephysicsgirl http://facebook.com/thephysicsgirl http://instagram.com/thephysicsgirl Creator: Dianna Cowern Research: Sophia Chen Thanks to: Jabril Ashe, Ashley Warner, Rebecca Holmes and Dan Walsh | Physics