La optimización mecánica en el medio acuático

Describes where fossil fuels come from, their uses and forms, the harm they cause to the environment, and sources of renewable energy.

El Diario de Witold Gombrowicz no recuerda en nada a los estereotipados diarios de escritor, es decir, a las obras que desempeñan el papel de crónica de los acontecimientos de la vida de un artista, de dietario intelectual. Este diario es una obra literaria en pleno sentido del término, considerada por muchos expertos como el mayor logro de su autor. Creado en el espacio de dieciséis años, el Diario fue construido conscientemente; cada uno de sus capítulos constituye un todo elaborado primero para su publicación en la revista mensual Kultura y modificado posteriormente para pasar a...

Though few may know his name, his achievement as the first European to discover San Diego Bay and many other areas on the California coast enshrines his name in the annals of American history. This exciting volume tells Cabrillo's story from an unknown soldier to the intrepid conquistador, crossbowman, landowner, shipbuilder, and explorer he became. As one of Hernan Cortes' soldiers during the conquest of Mexico and a founder of Guatemala, his actions loomed large in the future of both South America and North America. By both educating and entertaining, this biography illuminates a...

A scientific look at the natural processes that create waterfalls, and where they are likely to form.