17:59
Supermassive black holes: most powerful objects in the universe | Martin Gaskell | TEDxMeritAcademy
22:31
Filling the Big Gap in Einstein’s Theory | Paul Steinhardt | TEDxCLESalon
21:22
Dark Side of AI - How Hackers use AI & Deepfakes | Mark T. Hofmann | TEDxAristide Demetriade Street
20:29
Why I changed my mind about nuclear power | Michael Shellenberger | TEDxBerlin
20:10