The Falling Laboratory
Lecture no. 14 from the course: Black Holes, Tides, and Curved Spacetime: Understanding Gravity
Taught by Professor Benjamin Schumacher | 31 min | Categories: The Great Courses Plus Online Science Course
Einstein focused on gravity in his general theory of relativity. Hear about his “happiest thought”—the realization that a man in free fall perceives gravity as zero. This simple insight resolved a mystery going all the way back to Newton and led Einstein to the startling discovery that gravity affects light and time.