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Description: We set up a test to look at 2 things: 1) what the contact point of the rollers on the ground looks like while moving and 2) whether the rollers roll when moving forward.We utilized the phenomenon of FTIR: Frustrated Total Internal Reflection to highlight the contact point of the rollers.A piece of polycarbonate was placed across 2 tables with a few high power lights placed on their edge.This creates a lot of light passing through the polycarbonate via TIR.When the roller comes into conta
Play Video: (Note: The default playback of the video is HD VERSION. If your browser is buffering the video slowly, please play the REGULAR MP4 VERSION or Open The Video below for better experience. Thank you!)