Dip your entire nail into the container of dipping powder. Keep your nail in the powder for about 10 seconds, so that the nail gets completely covered. Take the nail out of the powder and wait 30 seconds before using a nailbrush to remove excess powder from the nail.
Rolf Reber, together with mathematician Morten Brun and psychologist Karoline Mitterndorfer, all from the University of Bergen, Norway, have reported first empirical evidence for the use of beauty as truth and they have provided an explanation for this phenomenon, based on the processing fluency theory of beauty.
However, while he mentioned the fluxions in a letter to Isaac Barrow in 1669, he did not publish the system until 1704, and so must share credit for the innovation with Leibniz, who developed his own method in the 1670s. Newton's work in optics, the study of light, was equally pioneering.