In this episode Brandon and Diana discuss the "Mitä tulisi tietää?" (what should we know) podcast's episode with cosmologist Syksy Räsänen as the guest, with a focus on the theory of relativity. The discussion covers the fundamentals of both special and general relativity, the constancy of the speed of light, the relativity of time and space, and the influence of gravity on time. The episode also explores the connections between relativity and black holes, dark matter and dark energy, as well as its role in cosmic inflation—and even speculates on the possibility of time travel. Finally, Räsänen sheds light on his current research topics in the field of cosmology.

Original Podcast: Mitä tulisi tietää?

Original Host: Mikko Siltala

Original Guest: Syksy Räsänen

Watch original podcast with subtitles. www.youtube.com/mikkosiltala

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