Seres extraordinarios

People today refer to the Midwestern and prairie states as flyover country. During the Civil War, crossing those areas was the biggest obstacle in uniting the East and West Coasts of our divided nation. An act of Congress in 1862 authorized the Central Pacific and the Union Pacific railroad companies to build a railroad that would link the coasts. Seven years later, on May 10, 1869, an overwhelmingly immigrant labor force completed the task when a rail line was join in Promontory, Utah. The states had become united at last.

The author/poet imagines all of the things a child can do, and then speculates on the many vocations the child has the option of choosing.

Born in Warsaw, Poland, on November 7, 1867, Marie Curie was forbidden to attend the male-only University of Warsaw, so she enrolled at the Sorbonne in Paris to study physics and mathematics. There she met a professor named Pierre Curie, and the two soon married, forming one of the most famous scientific partnerships in history. Together they discovered two elements and won a Nobel Prize in 1903. (Later Marie won another Nobel award for chemistry in 1911.) She died in Savoy, France, on July 4, 1934, a victim of many years of exposure to toxic radiation.

¿Qué es la luz? ¿Cómo se produce? ¿Qué son las ilusiones ópticas? Convertirse en un verdadero investigador es fácil y divertido. En este libro, los niños encontrarán muchas experiencias que lo ayudarán a descubrir espectaculares fenómenos con la luz como protagonista. Podrán inventar lupas, periscopios y ¡hasta una cámara fotográfica de verdad!