HackerTube / Video
Are Space and Time An Illusion?
PBS Space Time
A PBS Space Time episode hosted by Gabe Perez-Giz on the nature of spacetime and whether space and time are fundamental. It builds up reference frames and causality in a short, dense format.
HN commenters point to the PBS Space Time series as a high-quality, bite-sized way to learn modern physics concepts.
4 Hacker News mentions · 2016–2020