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All about electronics and circuit design

Linux TCP bug leaves sites vulnerable to serious hijacking attacks

http://arstechnica.com/security/2016/08/linux-bug-leaves-usa-today-other-top-sites-vulnerable-to-serious-hijacking-attacks/ There is a serious problem in new TCP feature designed to prevent hacking: it makes possible to make easily man-in-the-middle type attacks from anywhere. Feature is built into Linux kernel 3.6-4.7 (patch on newest version available). https://www.rt.com/usa/355558-linux-vulnerability-websites-attacks/ At the symposium, the researchers demonstrated the exploit by injecting code into a live USA Today page

QuadRooter Android security flaw

Android vulnerability QuadRooter attracted attention at DefCon24 event. QuadRooter was marketed as New Android Vulnerabilities in Over 900 Million Devices. Security company Check Point made lots of noise about it, including releasing an Adroid app to check your phone against this security flaw. QuadRooter is a set of four vulnerabilities affecting Android devices built using

Assembly 2016 computer demos

Assembly Summer 2016 computer festival was held last weekend. It was about computer gaming and Demoscene. The demoscene is an international computer art subculture that specializes in producing demos: small, self-contained computer programs that produce audio-visual presentations. I was not at the place this year, but I looked at some of the computer demo productions

Tube preamp kit FE-6J1-2.0B

A valve amplifier or tube amplifier is a type of electronic amplifier that uses vacuum tubes to increase the amplitude or power of a signal. In audio applications, valves continue to be highly desired by most professional users, particularly in recording studios’ equipment and guitar amplifiers. Among stereo enthusiasts, there is a subgroup of audio

Osmotic power

Design News magazine article claims that Osmotic Power Using Salt Water Is Newest Form of Alternative Energy. According to the article, alternative energies like solar, wind, and hydropower are poised to get some powerful new company, thanks in part to researchers in Switzerland. The power comes through the transfer of salt ions between two types of