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.
Empirical evidence's wiki: Empirical evidence, also known as sense experience, is a collective term for the knowledge or source of knowledge acquired by means of the senses, particularly by observation and experimentation. The term comes from the Greek word for experience, á¼Î¼ÏÎµÎ¹ÏÎ¯Î±