1. I took a look at the attached article. The device they describe is an optomechanical setup specifically engineered to be very sensitive to radio waves. LIGO,

1. I took a look at the attached article. The device they describe is an optomechanical setup specifically engineered to be very sensitive to radio waves. LIGO, by contrast, is engineered to be sensitive to gravitational waves and not radio waves. 2. This point is valid.