The ‘Useless’ Perspective That Transformed Mathematics

The ‘Useless’ Perspective That Transformed Mathematics

Mathematicians can better understand aspects of complicated objects, such as the Lie group visualized here, by representing them with simpler concepts.When representation theory emerged in the late 19th century, many mathematicians questioned its worth. In 1897, the English mathematician William Burnside wrote that he doubted that this unorthodox perspective would yield any new results at…

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Teaching My MIT Classes with Only Free/Libre Software

Teaching My MIT Classes with Only Free/Libre Software by Gerald Jay Sussman (1) This spring (2020) MIT moved all its classes online because of the COVID-19 pandemic. It made available licenses for various nonfree programs, but I objected to them on grounds of principle. For my class, an advanced class in computer programming, I made…

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First U.S. Woman To Walk In Space Dives To Deepest Point In The Ocean

First U.S. Woman To Walk In Space Dives To Deepest Point In The Ocean

Kathy Sullivan and pilot Victor Vescovo, seen after their dive to Challenger Deep. Enrique Alvarez/Courtesy of hide caption toggle caption Enrique Alvarez/Courtesy of Kathy Sullivan and pilot Victor Vescovo, seen after their dive to Challenger Deep. Enrique Alvarez/Courtesy of Kathy Sullivan has seen her share of highs and lows. Sullivan, the first U.S. woman to…

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The Path Toward Mastery—How To Become An Expert In Your Field

The Path Toward Mastery—How To Become An Expert In Your Field

With the advent of the informational era, and lately, usage of Artificial Intelligence to automate and make some jobs obsolete, new professions appear and others evolve, making people be on a constant learning spree to keep up with the industries’ standards. Along with that, globalization and technological advances blur the boundaries between physical locations and…

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IBM ends all facial recognition business as CEO calls out bias and inequality

IBM ends all facial recognition business as CEO calls out bias and inequality

IBM CEO Arvind Krishna announced today that the company would no longer sell facial recognition services, calling for a “national dialogue” on whether it should be used at all. He also voiced support for a new bill aiming to reduce police violence and increase accountability. In a letter reported by CNBC, written in support of…

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