what changes in the structure of an object that allows something to permanently bend (i.e folding paper)
In: Physics
Paper is not one solid, it’s many little fibers, you can see these if you zoom in really close. These fibers are pretty stretchy, so when you fold a piece of paper, they seemingly move out of the way.
However, they can’t permanantly bend. Paper always has crease marks afterwards, these are because the fibers aren’t stretchy enough, and tear.
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