Comments by "bruzote" (@bruzote) on "Robertson, Phillips, and the History of the Screwdriver" video.

@Deipnosophist_the_Gastronomer - It will never pop out, right?
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@michaeldavidson5170 - Your comment can only be applied if "used properly" includes "not used at all". Certainly, some screws simply can't be removed using a screw driver - they will be stripped if an attempt is made.
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@paradiddleday - And what about during removal?
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The introductory graphic of a spiral with arrows actually appears to be that of a Poynting vector diagram used in physics descriptions of light waves and their directional flux.
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