All these videos and articles about the Double Slit Experiment say that if we "look" where the single photons go, they act like particles and if we don't "look" they act like waves, creating the interference pattern... BUT What does it mean to "look"? We're not using our eyes or any camera after all. How do these detectors work? Don't they have to interact with the photon in order to measure it? If so, doesn't that interaction change the behaviour of the photon and affect the experiment results?