IOP Publishing, Physics World, 04(25), p. 33-37
DOI: 10.1088/2058-7058/25/04/34
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Discussing ideas over a mug of coffee or tea is the lifeblood of science, but have you ever thought about the stains that can be inadvertently left behind? H Burak Eral, Dirk van den Ende and Frieder Mugele explain how these stains, which can be a major annoyance in some biology techniques, can be altered for the better using a technique called electrowetting.