Salt creeps along glass in a Christmas tree-like structure. Image: N. Shahidzadeh et al.
Salt creeps along glass in a Christmas tree-like structure. Image: N. Shahidzadeh et al. When salty water evaporates, the salt can crystallize and creep over a long distance. This effect, which can cause serious problems in for example outdoor electronics, was investigated in detail by a team of UvA-researchers led by Noushine Shahidzadeh. Their results were published in Science Advances in December. Salt creeping is a ubiquitous phenomenon in which crystallization of salt occurs far from the location where the solution evaporates. The phenomenon constitutes a major problem in outdoor electronics, civil engineering, artworks and agriculture.
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