Supermassive black holes: most powerful objects in the universe | Martin Gaskell | TEDxMeritAcademy
23:45
Fermi's Paradox and the Psychology of Galactic Empires | Matthew O´Dowd | TEDxTUWien
15:12
The Third Story of the Universe | Brian Swimme | TEDxBerkeley
15:01
Have you ever imagined how interstellar travel could work? | Ryan Weed | TEDxDanubia
22:31
Filling the Big Gap in Einstein’s Theory | Paul Steinhardt | TEDxCLESalon
20:10
The Unusual Earth Orbit Circling Above Our Ancient Past | Roger G. Gilbertson | TEDxColoradoSprings
20:39
Gravitational waves, black holes: LIGO, a new window on the Universe | David Shoemaker | TEDxMcGill
19:46
Dark matter - what we're really made of | Michelle Thaller | TEDxBinghamtonUniversity
19:14