Experimentos sencillos con sólidos y líquidos

An eighteen-year-old pinball addict and a smart-mouthed girl who don't quite fit in with anyone else develop a special relationship.

Una de las destrezas que debe adquirir un técnico en Actividades Comerciales es la de dinamizar el punto de venta: diseñar, perfeccionar, conseguir mejores ventas, incrementarlas, crear relaciones a largo plazo para que los clientes hagan publicidad gratuita. Además, entre sus cometidos está optimizar la comunicación dentro de la empresa y la de esta con la sociedad en general. No hay que olvidar que un establecimiento vive de los clientes; hay que cuidarlos, conocerlos bien, para presentarles los productos tal y como ellos esperan. Este libro se dirige especialmente a los estudiantes de ...

Why did the Civil War begin? Which states were part of the Union and which were part of the Confederacy? Readers will learn the answers to these questions and more as they move through this fascinating nonfiction Spanish-translated title. The easy-to-read informational text, engaging facts, and vivid images and illustrations help highlight some of the aspects that led up to the Civil War, including slavery, the Underground Railroad, abolitionists, the Fugitive Slave Act, the Dred Scott Decision, and the Lincoln-Douglas debates. The accessible table of contents works in conjunction with the...

For ages, the idea of machines that think and act on their own has gripped scientists, thinkers, and the general public. This book explores the history of artificial intelligence (A.I.), and how science fiction is quickly becoming science fact. It examines the technologies involved in A.I. and its inevitable effects on work, life, health, and many other aspects of human society. Rooted in history and science, this book provides an inside look at a topic that captivates engineers, scientists, and dreamers, but also raises important ethical issues and challenges how we see ourselves and our...