Day: April 23, 2018

The Internet and the personal computer were both born in the 1970s, but they grew up apart from one another. This was odd, and all the more so when they continued to develop on separate tracks for more than a decade. This was partly because there was a difference in mind-set between those who embraced the joys of networking and those who got giddy at the thought of a personal computer of their very own. Unlike the utopians of the Community Memory project who loved forming virtual communities, many early fans of personal computers wanted to geek out alone on their own machines, at least initially.

April 23, 2018

For Gates, the magic of computers was not in their hardware circuits but in their software code. “We’re not hardware gurus, Paul,” he repeatedly pronounced whenever Allen proposed building a machine. “What we know is software.” Even his slightly older friend Allen, who had built shortwave radios, knew that the future belonged to the coders. “Hardware,” he admitted, “was not our area of expertise.”3

April 23, 2018

The idea of a personal computer, one that ordinary individuals could get their hands on and take home, was envisioned in 1945 by Vannevar Bush. After building his big analog computer at MIT and helping to create the military-industrial-academic triangle, he wrote an essay for the July 1945 issue of the Atlantic titled “As We May Think

April 23, 2018

VANNEVAR BUSH’S TRIANGLE Innovations often bear the imprint of the organizations that created them. For the Internet, this was especially interesting, for it was built by a partnership among three groups: the military, universities, and private corporations. What made the process even more fascinating was that this was not merely a loose-knit consortium with each group pursuing its own aims. Instead, during and after World War II, the three groups had been fused together into an iron triangle: the military-industrial-academic complex.

April 23, 2018

Innovation requires having at least three things: a great idea, the engineering talent to execute it, and the business savvy (plus deal-making moxie) to turn it into a successful product. Nolan Bushnell scored a trifecta when he was twenty-nine, which is why he, rather than Bill Pitts, Hugh Tuck, Bill Nutting, or Ralph Baer, goes down in history as the innovator who launched the video game industry. “I am proud of the way we were able to engineer Pong, but I’m even more proud of the way I figured out and financially engineered the business,” he said. “Engineering the game was easy. Growing the company without money was hard.”28

April 23, 2018

import wave import numpy as np import os import matplotlib.pyplot as plt from scipy.signal import argrelextrema os.chdir(‘C:\\Users\\YiFeng Chen\\desktop\\340 Project\\Test’) wr = wave.open(‘C5.wav’, ‘r’) sz = 44100 # Read and process 1 second at a time. da = np.fromstring(wr.readframes(sz), dtype=np.int16) left, right = da[0::2], da[1::2] lf, rf = abs(np.fft.rfft(left)),

April 23, 2018

Orthopaedic surgeons are rethinking traditional wisdom about who is and who isn’t a good candidate for total hip replacement surgery (THR), a procedure that replaces the bones of the hip with an artificial joint. Once reserved primarily for patients over the age of 60, the surgery offers a more desirable option for younger patients with disabling arthritis than previously believed, John J. Callaghan, MD, reported at the 69th Annual Meeting of the American Academy of Orthopaedic Surgeons (AAOS).

April 23, 2018

Studies of planetary and natural history reveal that human beings evolved from other forms of life and are, clearly, part of the complex web of life and nature. However, some human societies developed the concept that humans were above nature and had been given dominion over it. The concept that developed was that man was above and separate from nature. Man was supposed to enslave nature, and squeeze from it, all of its ‘‘fruits’’. So, new forms of progress emerged based on the enslavement and domination of the nature.

April 23, 2018

Depictions of objects or visual things in contemporary society can signify and represent different meanings to one group of people verse another. This can be due to the advancement of thinking, and the new knowledge that shapes our history everyday

April 23, 2018

Data warehousing is used to give more imperative learning into the execution of an association by taking a gander at data converged from various heterogeneous sources. A data dissemination focus is planned to run request and examination on chronicled data got from esteem based sources. Once the data has been combined into the dissemination focus, it doesn’t change and can’t be altered since a data stockroom runs examination on events that have simply occurred by focusing on the alterations in data after some time. Warehoused data must be secured in a way that is secure, strong, easy to recoup and easy to supervise.

April 23, 2018

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