Why This Medical Saw Can’t Cut Your Skin
medicine | physics | power tools | saws | slow motion | steve mould | tools
Medical professionals use a special power saw to cut through casts when it’s time to remove them. While the high-speed saw blade slices effortlessly through a hardened cast, it does nothing to your body if it makes contact with your skin. Steve Mould investigates the physics that allows this ingenious device to work without causing bodily harm.
