Descargar Libro: Circulos Y Calendarios / Circles And Calendars
Autores
Resumen del Libro
Although we cannot see it, many people think that time has a shape. Some say that it is like a circle and others claim that it seems to be a direct line. This dazzling book intersperses historical and cultural information with the discoveries and data gathered by astronomers and mathematicians who have made the measuring of time possible.