2 ms·
I had the same question and found this YouTube video filmed in slo-mo so you can see the flashing: https://www.youtube.com/watch?v=Oo3eoRbojPY&feature=youtu.be
by elliekelly 8y ago
I had the same question and found this YouTube video filmed in slo-mo so you can see the flashing: https://www.youtube.com/watch?v=Oo3eoRbojPY&feature=youtu.be https://www.youtube.com/watch?v=Oo3eoRbojPY&feature=youtu.be
Perhaps some brains perceive/process the small, quick changes that most of filter out.