More Kip Thorne. Wormholes. Detecting gravitational anomalies.
Einstein. Train rides. Relativity. Frames of reference. Frame dragging. Time as an expendable resource.
Water planet is the stuff of Christopher’s nightmares. Frozen clouds!
Abstraction of extra dimensions into fewer. Tesseracts. Carl Sagan’s genius powers of explanation.
Predestination paradox? Self-consistent single timelines.
Multidimensional beings and the power of love. Social utility and bonding, etc.
O’Niell cylinders. Another call-in from Liam Ginty of Voices From L5.