Download e-book for iPad: Beautiful Data: A History of Vision and Reason since 1945 by Orit Halpern

Telegraph Messenger Boys: Labor, Communication and by Gregory J. Downey PDF

In Telegraph Messenger Boys Gregory J. Downey offers a wholly new standpoint at the telegraph process: a communications community that revolutionized human perceptions of time and house. The e-book is going past the arrival of the telegraphy and tells a broader tale of human interplay with expertise and the social and cultural alterations it caused.

Get Challenges and Goals for Accelerators in the XXI Century PDF

The earlier a hundred years of accelerator-based learn have led the sphere from first insights into the constitution of atoms to the advance and affirmation of the traditional version of physics. Accelerators were a key software in constructing our figuring out of the basic debris and the forces that govern their interactions.

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The Tunnel lower than the Lake recounts the gripping tale of the way the younger urban of Chicago, below the management of an audacious engineer named Ellis Chesbrough, built a two-mile tunnel lower than Lake Michigan looking for fresh water. regardless of Chicago's place beside the world’s biggest resource of unpolluted water, its low elevation on the finish of Lake Michigan supplied no common approach to wearing away waste.

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Within the Eighties, there has been a revolution with far-reaching outcomes -- a revolution to revive software program freedom. within the early Eighties, after many years of constructing resource code on hand with courses, so much programmers ceased sharing code freely. A band of revolutionaries, self-described "hackers," challenged this new norm by means of development working structures with resource code that may be freely shared.