Con la energía del Sol ebook

Learn how light pollution prevents us from seeing the stars and causes other problems as well. This Spanish book features a hands-on STEAM challenge that gives insight into how the engineering design process is used to solve real-world problems.

Anyone can learn computer science, even at the elementary school level. This book delves into computer science careers using age-appropriate language and colorful illustrations. A meaningful storyline is paired with an accessible curricular topic to engage and excite readers. This book introduces readers to a relatable character and familiar situation, which demonstrates computer science careers in everyday life. Readers will follow a narrator that makes an app with some help from their friends. This fiction book is paired with the nonfiction book Web Developers at Work (ISBN: 9781508137757). ...

Politicians today in both Europe and the United States have succeeded in casting government spending as reckless wastefulness that has made the economy worse. In contrast, they have advanced a policy of draconian budget cuts--austerity--to solve the financial crisis. We are told that we have all lived beyond our means and now need to tighten our belts. This view conveniently forgets where all that debt came from. Not from an orgy of government spending, but as the direct result of bailing out, recapitalizing, and adding liquidity to the broken banking system. Through these actions private...

This book introduces children to fascinating figures throughout history. They include Ramses II, Moctezuma, Nostradamus, Albert Einstein, and Stephen Hawking.

Esta obra está dirigida a cualquier persona interesada en cuidar y preservar adecuadamente objetos de papel como libros, cómics, fotos, grabados, acuarelas y dibujos sobre papel, carteles, sellos, postales y mapas, entre otros. Se trata de una guía práctica ilustrada, de fácil manejo pero rigurosa en la información, realizada por restauradores especializados en papel, que enseña las características más importantes del papel, los principales tipos de papel, los deterioros más frecuentes que afectan a este material y cómo solucionarlos mediante la aplicación de sistemas sencillos de ...