Strap on a VR headset and step inside the National Ignition Facility, where scientists use the world's largest and most energetic laser to conduct experiments that can't be done anywhere else on Earth. #VRDay #virtualreality #360tour To get the full 3D experience, watch with Google Cardboard, Samsung Gear or other VR-capable devices on YouTube at https://youtu.be/j_snOFH2K7A | Lawrence Livermore National Laboratory