Criptología digital (Digital Cryptology)

Computer science is all around us, at school, at home, and in the community. This book gives readers the essential tools they need to understand the computer science concept of algorithms and procedures. Brilliant color photographs and accessible text will engage readers and allow them to connect deeply with the concept. The computer science topic is paired with an age-appropriate curricular topic to deepen readers' learning experience and show how algorithms and procedures work in the real world. In this book, readers learn how to use instructions to build their own drone. This nonfiction...

La historia del fuego, poemario ganador del VI Concurso Literario Cementerio Metropolitano 2021,es un viaje al recuerdo de las experiencias de la infancia. Ese niño que reside en la voz poética conversa con su yo del pasado, rememorando objetos preciados, la tormenta de una tarde particular y los rayos de sol sobre el patio de juegos, pero también la soledad, el dolor y el aislamiento sufridos. A modo de catarsis, el yo contempla los antiguos estigmas de su piel, juega a ser otro antes de hundirse de nuevo en su memoria, donde entierra sus vivencias junto a las palabras de las antiguas...

Light can travel faster than anything else in the universe. But what exactly is light, and where does it come from? This nonfiction Spanish book teaches students all about light, and introduces them to important scientific concepts and vocabulary terms like infrared, ultraviolet, photos, and visible spectrum. The intriguing images, detailed diagrams, and stimulating sidebars will keep students connected to the text. The fun lab activity provides a real-world learning experience that supports STEM instruction. Aligned to state and national standards, the leveled text supports differentiation....

Nicol�s Cabral's is one of the most singular voices in Latin American literature, and this book demonstrates his hypnotic and out of the ordinary style. The stories ebb from real to unreal, from earthly to fantastical. In addition, there's something rarely found in most contemporary writers: an aversion to the familiar and disdain for common places. La de Nicol�s Cabral es una de las voces m�s singulares de la nueva narrativa latinoamericana. Como en Cat�logo de formas, su primera novela, he aqu� una prosa construida mediante una inflexible depuraci�n y, al mismo tiempo, plural....