Cerca Y Lejos/Near and Far

Imagine traveling at half the speed of a jet plane without ever leaving the ground! Students will discover the technology that makes such speeds possible, from special tracks and safety precautions to aerodynamically designed trains. What are the limits to the speed of trains? What imposes those limits? Students also will read about the future of passenger train travel, from flying trains to trains that use huge magnets to levitate inches or centimeters off the track. Some trains safely reach speeds of more than 200 mph!

Getting bored is impossible with this book in your hands: it is the definitive game book. It contains more than 100 games with which to challenge the neurons of the smartest children, from naval battles where strategy is everything to sudoku puzzles or math challenges, through memory games and minesweepers ... among many others.

Este libro es el resultado de la traducción e interpretación de una gran parte de las cuartetas que conforman la alegada obra profética del autor provenzal. El autor nos introduce de forma magistral en un ameno recorrido por los hechos históricos más sobresalientes y curiosos de los últimos 400 años de la Humanidad con un especial énfasis en los acontecimientos que datan desde los inicios de la Segunda Guerra Mundial hasta las llamadas guerras del "choque de civilizaciones" que se han extendido por el Oriente Medio a partir de los trágicos atentados del 11 de septiembre del 2001. En...

Explains the basic science of flight, the problems of getting vehicles into the air, different types of engines, and aircraft design, and includes instructions for making aircraft models.