Neil deGrasse Tyson - The Perimeter of Ignorance

Neil deGrasse Tyson, dubbed "the Sexiest Astrophysicist", explains how God disappeared as an explanation for things humans did not understand about the universe, as the "perimeter of ignorance" receded. The greatest minds dared increasingly brave to question the world around them, but sometimes cowardly copped out along the way when they faced problems -similar to the modern Intelligent Design movement that advocates a "god of the gaps"- until someone else took over and furthered scientific progress.

noted by @nicolassanta

On Covert Acoustical Mesh Networks in Air

Covert channels can be used to circumvent system and network policies by establishing communications that have not been considered in the design of the computing system. We construct a covert channel between different computing systems that utilizes audio modulation/demodulation to exchange data between the computing systems over the air medium. The underlying network stack is based on a communication system that was originally designed for robust underwater communication.

Etymology of 'Foo'

Approximately 212 RFCs so far, starting with RFC 269, contain the terms 'foo', 'bar', or 'foobar' as metasyntactic variables without any proper explanation or definition. This document rectifies that deficiency.

Robert Martin's Keynote: Architecture the Lost Years

Robert C. Martin (Uncle Bob) has been a software professional since 1970. In the last 40 years, he has worked in various capacities on literally hundreds of software projects. He has authored "landmark" books on Agile Programming, Extreme Programming, UML, Object-Oriented Programming, C++ Programming and Clean Code.

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