There is doubt regarding concept of polarization in my mind regarding a youtubeYouTube video https://youtu.be/ji3o61_ORT4?si=j4zBy5dLg1AhJpNu&t=6
in this video heScott Milam shows 2 polarizer perpendicularly aligned with each other but still we can see some of the intensity of light passing through it ,it must be zero according to malusMalus law but still we are able to see some of the light intensity commingcoming through it? can somebody plz explain what may be the reason for the following.