No Wall Too High by Xu Hongci

No Wall Too High: One Man’s Extraordinary Escape From Mao’s Darkest Prison by Xu Hongci
Requirements: .ePUB reader, 36.3 MB
Overview: Mao Zedong’s labor reform camps, known as the laogai, were notoriously brutal. Modeled on the Soviet Gulag, they subjected their inmates to backbreaking labor, malnutrition, and vindictive wardens. They were thought to be impossible to escape―but one man did.

Xu Hongci was a bright young student at the Shanghai No. 1 Medical College, spending his days studying to be a professor and going to the movies with his girlfriend. He was also an idealistic and loyal member of the Communist Party and was generally liked and well respected. But when Mao delivered his famous February 1957 speech inviting “a hundred schools of thought [to] contend,” an earnest Xu Hongci responded by posting a criticism of the party―a near-fatal misstep. He soon found himself a victim of the Anti-Rightist Campaign, condemned to spend the next fourteen years in the laogai.

Xu Hongci became one of the roughly 550,000 Chinese unjustly imprisoned after the spring of 1957, and despite the horrific conditions and terrible odds, he was determined to escape. He failed three times before finally succeeding, in 1972, in what was an amazing and arduous triumph.
Genre: Non-Fiction > Biographies & Memoirs

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High Performance Python by Micha Gorelick

High Performance Python: Practical Performant Programming for Humans by Micha Gorelick and Ian Ozsvald
Requirements: .PDF reader, 7 MB
Overview: Your Python code may run correctly, but you need it to run faster. By exploring the fundamental theory behind design choices, this practical guide helps you gain a deeper understanding of Pythons implementation. You™ll learn how to locate performance bottlenecks and significantly speed up your code in high-data-volume programs.
How can you take advantage of multi-core architectures or clusters? Or build a system that can scale up and down without losing reliability? Experienced Python programmers will learn concrete solutions to these and other issues, along with war stories from companies that use high performance Python for social media analytics, productionized machine learning, and other situations.
Genre: Non-Fiction > Tech & Devices

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High Tech Trash by Elizabeth Grossman

High Tech Trash: Digital Devices, Hidden Toxics, and Human Health by Elizabeth Grossman
Requirements: .PDF reader, 1.3 MB
Overview: The Digital Age was expected to usher in an era of clean production, an alternative to smokestack industries and their pollutants. But as environmental journalist Elizabeth Grossman reveals in this penetrating analysis of high tech manufacture and disposal, digital may be sleek, but it’s anything but clean. Deep within every electronic device lie toxic materials that make up the bits and bytes, a complex thicket of lead, mercury, cadmium, plastics, and a host of other often harmful ingredients. High Tech Trash is a wake-up call to the importance of the e-waste issue and the health hazards involved. Americans alone own more than two billion pieces of high tech electronics and discard five to seven million tons each year. As a result, electronic waste already makes up more than two-thirds of the heavy metals and 40 percent of the lead found in our landfills. But the problem goes far beyond American shores, most tragically to the cities in China and India where shiploads of discarded electronics arrive daily. There, they are "recycled" picked apart by hand, exposing thousands of workers and community residents to toxics.
Genre: Non-Fiction > General

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