Space science

The European Space Agency is developing a space satellite to measure gravitational waves based on laser interferometry. Greg Blackman speaks to Dr Peter Weßels at Laser Zentrum Hannover, who is designing the fibre amplifier qualification model for the project

Greg Blackman speaks to Dr Richard Fork at the University of Alabama in Huntsville (UAH), about his work into developing a laser-based method to stop asteroids colliding with Earth