Topic: Øyvind Grøn

Øyvind Grøn discusses conflicting measurements of the universe's expansion rate and the questions raised by the Hubble tension. Conversation in Norwegian.

Øyvind Grøn discusses gravitational waves, their detection by LIGO and what these measurements reveal about distant cosmic events. Conversation in Norwegian.

Øyvind Grøn discusses black holes, their prediction by relativity and the observations used to study them. Conversation in Norwegian.

Øyvind Grøn continues the discussion of Einstein, covering the consequences of relativity and his other contributions to physics. Second conversation in Norwegian.

Øyvind Grøn discusses Einstein's life and the development of special and general relativity in the first of two related conversations. In Norwegian.