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17504 results in General Science

Page 70 of 876

Camera Aloft
  • Edward Steichen in the Great War
  • Von Hardesty
  • Published online:
    05 December 2015
    Print publication:
    02 December 2015
  • Edward Steichen (1879–1973) played a key role in the development of photography in the twentieth century. He is well known for his varied career as an artist, a celebrated photographer and a museum curator. However, Steichen is less known for his pivotal role in shaping America's first experiments in aerial photography as a tool for intelligence gathering in what may be called his 'lost years'. In Camera Aloft, Von Hardesty tells how Steichen volunteered in 1917 to serve in the American Expeditionary Forces (AEF). He rose rapidly in the ranks of the Air Service, emerging as Chief of Air Photography during the dramatic final offensives of the war. His photo sections were responsible for the rapid processing of aerial images gained through the daily and hazardous sorties over the front and in the enemy rear areas. What emerged in the eighteen months of his active service was a new template for modern aerial reconnaissance. The aerial camera, as with new weapons such as the machine gun, the tank and the airplane, profoundly transformed modern warfare.

Truth or Truthiness
  • Distinguishing Fact from Fiction by Learning to Think Like a Data Scientist
  • Howard Wainer
  • Published online:
    05 December 2015
    Print publication:
    01 December 2015
  • Teacher tenure is a problem. Teacher tenure is a solution. Fracking is safe. Fracking causes earthquakes. Our kids are over-tested. Our kids are not tested enough. We read claims like these in the newspaper every day, often with no justification other than 'it feels right'. How can we figure out what is right? Escaping from the clutches of truthiness begins with one simple question: 'what is the evidence?' With his usual verve and flair, Howard Wainer shows how the sceptical mindset of a data scientist can expose truthiness, nonsense, and outright deception. Using the tools of causal inference he evaluates the evidence, or lack thereof, supporting claims in many fields, with special emphasis in education. This wise book is a must-read for anyone who has ever wanted to challenge the pronouncements of authority figures and a lucid and captivating narrative that entertains and educates at the same time.

Page 70 of 876