Cálculos superiores en química física

NATIONAL BESTSELLER Stephen Hawking has dazzled readers worldwide with a string of bestsellers exploring the mysteries of the universe. Now, for the first time, perhaps the most brilliant cosmologist of our age turns his gaze inward for a revealing look at his own life and intellectual evolution. My Brief History recounts Stephen Hawking’s improbable journey, from his postwar London boyhood to his years of international acclaim and celebrity. Lavishly illustrated with rarely seen photographs, this concise, witty, and candid account introduces readers to a Hawking rarely glimpsed in previous ...

¿Hay otras dimensiones más allá de las de nuestra experiencia cotidiana? ¿Hay puertas de acceso a universos paralelos? ¿Qué sucedió antes del primer día de la Creación? Este tipo de cuestiones están en el centro de la actividad científica actual. En efecto, muchos físicos creen hoy que existen otras dimensiones más allá de las cuatro de nuestro espacio-tiempo, y que puede alcanzarse una visión unificada de las diversas fuerzas de la naturaleza, si consideramos que todo lo que vemos a nuestro alrededor, desde los árboles hasta las estrellas, no son sino vibraciones en el...

Presented in chronological order, this book teaches readers about the greatest accomplishments and discoveries of science from the Ancient Greeks to the present. They include geometry, vaccinations, the periodic table, the theory of relativity, Teflon, nano-technology, and much more.

Presented as a catalogue, the authors provide complete and true information about endangered Mexican Freshwater fishes. A physical and ethological description, the reason of its involvement in the book, preservation state, natural history and ecology, as well as a map with its geographical location in Mexico, and a picture of the specie is provided for each fish. This book is a start point for the knowledge and preservation of the richness of this biological group.