Charlie Pierce of Devon, England, describes the UK tradition of wetting the baby’s head, a pub outing for a new or expectant father before the baby arrives. Friends buy the rounds, and the father-to-be is not supposed to pay for any of them. The...
electro-wetting n.— «In other application fields, so-called liquid lenses have been known for some time. In these, the application of electrical voltages causes a shape change of the liquid lens and therefore a change in its focal length...