Archive for June 2009
You are browsing the archives of 2009 June.
You are browsing the archives of 2009 June.
An expert system is software that attempts to mimic human expertise by searching through a database of known answers or solutions in order to help solve a problem. Chains of decision points known as decision trees are analyzed by human experts and coded into the system to help the software identify the correct area of [...]
Niccolo Fontana was born in Brescia, Italy around 1500 and became known as Tartaglia, which was a knickname meaning stammerer; the result of sabre wounds to his jaw. In 1537 he wrote Nova Scienta, which applied mathematical principles to the trajectories of cannonballs. This work later influenced Galileo. He produced both some of the earliest [...]
The National Center for Computational Sciences (NCCS) is part of Oak Ridge National Laboratory in Tennessee that is run by the Department of Energy (DOE). The function of the NCCS is to provide state of the art high-performance computing resources for scientific research. The center hosts the “Jaguar” supercomputer which is based on Cray XT4 [...]
Ethics – describes our systems for balancing issues and making decisions for whatever we consider to be right conduct. Morals – are codes of what is considered to be right conduct which have been derived from accumulated ethical experience over an expanse of time. The problem with these definitions is that different people and different [...]
In what may be the first publicly recorded hack of a zero-day flaw in virtualization software, attackers have wiped out data from over 100,000 web sites hosted by VAServ in the UK. Webhost hack wipes out data for 100,000 sites – [theregister.co.uk] Technicians at UK-based Vaserv.com were still scrambling to recover data on Monday evening [...]
Before attempting to predict how commerce will occur in space or how government will be designed to regulate it, it is important to understand how the basic economic factors will be changed. Comparison of Economic Elements On Earth ELEMENT In Space free AIR expensive cheap WATER expensive moderate FOOD moderate expensive ENERGY cheap expensive TERRITORY [...]
This is a new resource that will most likely, with all the resources and brilliant security minds that SANS can bring to the table, grow in value significantly over time. Keep an eye on this list. SANS Blogs – [sans.org] SANS has created a handful of blogs that are custom-tailored to computer and network [...]
Tycho Brahe was born in 1546 in Sweden. He was an astronomer and alchemist who is known for his contributions to astronomy. While he was probably the last astronomer to work mostly without a telescope, he revolutionized the use of precise instrumentation in astronomy. Because of this precision, he was able to discover and document [...]
Wireshark is a network packet sniffer and protocol analyzer that used to be called “Ethereal”. It adds a graphical user interface to packet by packet data that allows the user to easily identify the parts of packets under many different protocols. It can either show all packets being sniffed or use a wide variety of [...]