Our weekly (during the academic year) colloquia are now available to
the public at
https://www.youtube.com/channel/UCAp...xmiV95A0ChueYg

This week's by Daniel Eisenstein was particularly good.
https://www.youtube.com/watch?v=429MRyF7PyA
The topic was measuring cosmological parameters using Baryon Acoustic
Oscillations, but he gives quite a bit of background on other
cosmological measurements.

Make sure you view at least the 480p version and preferably the 720p;
otherwise you won't be able to make out details of the graphics.

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Steve Willner Phone 617-495-7123
Cambridge, MA 02138 USA