.@SMU #PHYS1303 students have spoken. With 43 votes (out of 117 students), the winning topics are: dark energy (and the accelerated expansion of the universe); the physics of the speed of light; and dark matter. The final lecture will be entitled "Light and the Dark Cosmos"! https://twitter.com/drsekula/status/1067103447265234946/photo/1 https://chirp.cooleysekula.net/attachment/52938