In this exclusive online issue, Scientific American editor Mark Fischetti explains the inner workings of 20 commonly used technologies. Learn how noise-cancelling headphones silence unwanted background noise and how digital cameras overcome shaky hands. Discover how crude oil is refined and how cochlear implants enable hearing. You’ll also find out how radar guns spot speeders, how air traffic control systems minimize accidents in the sky, and how medical patches enable continuous drug delivery.
The book includes some fifty seminal essays and documents-including statements, interviews, and manifestoes by artists-that encompass the broad diversity of this emerging field. Many of these materials are difficult to access and some are translated here for the first time. For students and scholars of Latin American art, the volume offers an invaluable collection of primary and secondary sources.
George Sylvester Viereck (1884 - 1962), remembered today chiefly for his contributions to fantasy literature, was born in Germany, emigrated to the United States with his family at age 11. He was editor of a magazine, The Fatherland, which advocated fair play for the Central Powers when World War I came out. The magazine quickly became very popular, reaching a circulation of 100,000, and changed its name to American Monthly when the US broke with Germany.
LIBERTY, EQUALITY, POWER offers students a clear, concise understanding of how America transformed itself, in a relatively short time, from a land inhabited by hunter-gatherer and agricultural Native American societies into the most powerful industrial nation on earth. The authors promote this understanding by telling the story of America through the lens of three major themes: liberty, equality, and power.
Do you want your English to sound natural and fluent? Idiomatic expressions are essential to natural sounding English, but they can be challenging to remember, and even harder to use in conversation
