Imagine you are 40-something and want to go on a date looking like you did 20 years ago. This is impossible in the classical physical world but not in the quantum world, which refers to the subatomic particles that are the foundation for all reality...The team published papers in Physical Review X, Quantum, Arxiv, Physical Review Letters and Optica on theoretical research and experiments proving it's possible to "accelerate, decelerate and reverse the flow of time within arbitrary, even uncontrolled quantum systems."