I changed this light by observing it
From Looking Glass Universe. This video is about the quantum eraser experiment. Understanding this experiment helps us understand the measurement problem in quantum physics, and it might even give us a clue for how to solve it. The write up of the mathematics of the quantum eraser is here: https://looking-glass-universe.teachable.com/courses/quantum-mechanics-fundamentals13/lectures/60992171 It does require knowing the…