Hieroglyphics: The Writings of Ancient Egypt Hieroglyphics: The Writings of Ancient Egypt Hieroglyphics: The Writings of Ancient Egypt is a primer on Egyptian hieroglyphics by Maria Carmela Betrò, later professor for Egyptology at Pisa University (published in Italian as "Geroglifici" in 1995; English translation 1996). The standard version of analytic Egyptian hieroglyphs is based upon the 26 categories of the Gardiner's Sign List, (about 700 signs). That categorization is still the basic standard. The approach in "Hieroglyphics: The Writings of Ancient Egypt" is to use some of the Gardiner sign categories, to focus on specific major-use signs. The end of a thematic chapter then has synoptic
Rosetta Stone on spectroscopy wrote that "the spectrum of the hydrogen atoms has proved to be the Rosetta stone of modern physics: once this pattern of lines had been deciphered much else could also be understood". Fully understanding the key set of genes to the human leucocyte antigen has been described as "the Rosetta Stone of immunology". The flowering plant "Arabidopsis thaliana" has been called the "Rosetta Stone of flowering time". A Gamma ray burst (GRB) found in conjunction with a supernova has been called a Rosetta Stone for understanding the origin of GRBs. The technique of Doppler echocardiography has been called