The Hubble Space Telescope is deployed on April 25, 1990 from the space shuttle Discovery. Avoiding distortions of the atmosphere, Hubble has an unobstructed view peering to planets, stars and galaxies, some more than 13.4 billion light years away. Credit: NASA/Smithsonian Institution/Lockheed Corporation NASA is taking additional steps to investigate […]

The goal of the “busy beaver” game is to find the longest-running computer program. Its pursuit has surprising connections to profound questions in math. A visualization of the longest-running five-rule Turing machine currently known. Each column of pixels represents one step in the computation, moving from left to right. Black […]

Shutterstock The source code of the Windows XP operating system is now circulating online as a huge 43GB mega-dump. Although the software is nearly two decades old, it’s still used by people, businesses and organisations around the world. This source code leak leaves it open to being scoured for bugs and […]

Paul Haskell-Dowland, Author provided Passwords have been used for thousands of years, as a means of identifying ourselves to others and in more recent times, to computers. It’s a simple concept – a shared piece of information, kept secret between individuals and used to “prove” identity. Passwords in an IT context emerged […]

Intel processors are still vulnerable to attack according to computer scientists at KU Leuven. Computer scientists at KU Leuven have once again exposed a security flaw in Intel processors. Jo Van Bulck, Frank Piessens, and their colleagues in Austria, the United States, and Australia gave the manufacturer one year’s time […]

Looking a bit like a bowl of spaghetti, this map shows the general scheme of the US stock market — formally known as the National Market System — as described by a team of scientist at the University of Vermont and The MITRE Corporation. Spread out between four communities in northern […]