I was reading a number of linked articles in IEEE Spectrum, especially the ones talking about the uses of Quantum Dots in display technologies, and there was on

I was reading a number of linked articles in IEEE Spectrum, especially the ones talking about the uses of Quantum Dots in display technologies, and there was one titled something along the lines of "I used the iPhone 12 and it made me sick". The author talks about her experience with the new iPhone and how she eventually figured out that it was caused by PWM, and what might be done to mitigate the problem.