From Twitter https://twitter.com/: I recent recorded a series of lectures called "What Einstein Got Wrong" as part of @TheGreatCourses. I've been a fan of this company for a long time and was really excited to get a chance to work with them. On sale now! https://www.thegreatcourses.com/courses/what-einstein-got-wrong.html https://twitter.com/DanHooperAstro/status/939939736755597312/photo/1 https://chirp.cooleysekula.net/attachment/45184