Source: http://pirsa.org/16060008 Summary (based on the abstract of the paper https://arxiv.org/abs/1605.08443 ): The talk is about a novel framework that unifies the stunning success of MOND on galactic scales (see also: https://www.youtube.com/watch?v=C0oZQpQbFx4) with the triumph of the ΛCDM model on cosmological scales. This is achieved through the rich and well-studied physics of superfluidity. The dark…

Two worked-out examples showing how to graph inequalities that have horizontal or vertical boundary lines. The trick is knowing where to shade (up or down, left or right). (Recorded on a laptop’s webcam, thus the soft focus.)