How to make gravitational waves ‘sing’
Interstellar’s massive black hole would create unique signal when gobbling smaller partner

NEW WAVE If the supermassive black hole from the film Interstellar were real, scientists might be able to detect a unique signature of its gravitational waves as it swallowed a companion. This visualization shows the fictional black hole’s accretion disk.
James et al /Class. Quantum Grav. 2015 (CC BY-NC-ND 3.0)