Learn about black holes and cataclysmic collisions from some of the smartest people in the world, right in our own back yard! Two walking tours are scheduled for tomorrow (7/14), at 1:30 and 3:30. You're welcome to bring your camera and the tour is suitable for all ages. You'll see equipment so sensitive it can pick up every single earth quake on the planet! Get all the details HERE. Since I know you're wondering, LIGO stands for Laser Interferometer Gravitational-Wave Observatory. Duh.