Quantum Physics Tunneling (image) Max-Planck-Gesellschaft Share Print E-Mail Caption Figure 1: There are two ways of conquering a mountain. In classical physics, one must climb the mountain to get to the other side. That is not the case in quantum physics: objects can simply cross the mountain horizontally -- by tunneling through it. Credit Max Planck Institute for Quantum Optics Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.