Gravitational waves: How LISA Pathfinder will help detect ripples in space-time – CBC News Featured International Technology Gravitational waves: How LISA Pathfinder will help detect ripples in space-time – CBC News Editor December 3, 2015 A satellite that will test technology to detect ripples in space-time left by colliding black holes launches... Read More Read more about Gravitational waves: How LISA Pathfinder will help detect ripples in space-time – CBC News