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.
The first person to do so ever was as early as the 3rd century BC by Aristarchus of Samos. Unfortunately, his notion gained only few supporters and was summarily rejected. Later in the 16th century, Nicholas Copernicus presented a mathematical model. In the next century, Johannes Kepler made inclusions of elliptical orbits, and Galileo Galilei presented supporting observations made using a telescope.