University of Toronto scientists found that salt creates the ripples and ridges you see in icicles — and that there is enough salt in the runoff from an average Toronto rooftop to radically change an icicle’s shape.
University of Toronto scientists found that salt creates the ripples and ridges you see in icicles — and that there is enough salt in the runoff from an average Toronto rooftop to radically change an icicle’s shape.