In this episode, it is my pleasure to introduce to you Tyler Knowles, who will be talking about his main field of research: Astrophysics and black holes! He discusses a simple way to visualize the unique phenomenon of gravity, and touches on neutron stars and black holes, and interferometers and gravitational waves.Correction: The verse quoted is Proverbs 修正：引用經文應為箴言 If there are any questions, feel free to send an email to [email protected]!