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Show for Jan. 15, 2012. The Theory that Changed the Universe: Anthony Aguirre on General Relativity. Pt 2 of 2.
Cosmologist Anthony Aguirre and I continue our jaunt through General Relativity. Last week we presented some of the basics. This week, we talk about the evidence, the impacts and implications, including the cosmological constant, the expanding universe, gravity waves, time dilation, black holes, and spacetime singularities.
Click the Play arrow above to listen to the show, or you can download the MP3 here (if using a Mac, control-click the link and choose “Save Link As…” If using a PC, right-click and choose Save Target As…”)
You can listen to Part 1 of the series here.
Listen to an additional segment with bonus questions including:
- What would it mean for relativity if those recently-reported faster-than-light neutrino observations were confirmed?
- If mass changes spacetime, and the Higgs field gives rise to mass, what is the relation between the Higgs and spacetime?
- A gedankenexperiment: What would happen if you fell through the earth?
- In black holes, space takes on a time-like directionality. Huh?
Notes
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