In this Periodic Table of Elements, the name of each atom is written via a reinterpretation of Morse code...
 Thin line = Morse code point
 Wide line = Morse code line
 The reading is done from the inside to the outside and starts at noon. Each circle is a word (the name of an atom) divided into the number of letters that word contains. So you can read, at the top left, the name of the first element of the periodic table: "hydrogen". And so on...