La Revolucion a todo vapor

Venerado y vilipendiado a un tiempo, Lobachevski se cierne imponente sobre la matemática del siglo XIX. Al igual que sucede a la mayoría de los mitos, el Lobachevski real está oculto por capas de negligencia y desconocimiento. Su fantástica obra, argumentaban muchos, no era otra cosa que herejía matemática, una senda falsa. Lobachevski es una personalidad abrumadora, un soñador empedernido, un hacedor de mundos imposibles pero reales. Lobachevski es, para muchos, una persona desconocida. Este libro cuenta la historia de un hombre sencillo, pero sagaz, obstinado y profundo desde el...

With striking full-color photos and minimal text, in Spanish, this series immediately involves young readers as they discover intriguing facts about the world around them.

Candles, kerosene lamps, electric lights, and flashlights are all things people have used throughout history to light up the night. Perfect for English language learners, this Spanish book makes it easy for parents and teachers to introduce STEAM and beginner science topics to their youngest learners. Created in collaboration with Smithsonian, this book uses real-world examples to make STEAM topics easier to understand. It features an age-appropriate STEAM activity that is ideal for makerspaces and introduces grade K students to the steps of the engineering design process. It helps beginning...

This book makes learning about the concept of opposites fun, as readers discover recognizable examples of objects that are hot and cold! Using colorful photographs that connect to simple text, alongside exciting and recognizable sight words, young readers will enjoy learning about hot and cold things, while also building confidence in their reading skills. This book also includes a page for caregivers and teachers that suggests guiding questions to help aid in reading comprehension.