Magnetic Permeability is a term refers to the ability of a material to gain or maintain magnetism. When certain materials are placed in a magnetic field they become magnetized.  For example, when you take a piece of iron and rub it on a substance already magnetized or a magnet, it will become magnetized and have a resulting magnetic field. What is Magnetic Permeability? Permeability is the measure of how a substance or material supports forming a magnetic field within itself. It is the amount of magnetization that the substance will adopt Read More

3D texture (Three Dimensional Texture), also known as “volume texture,” is a logical extension of the traditional (and better known) 2D texture. In this context, a texture is simply a bitmap image that is used to provide surface coloring for a 3D model. A 3D texture can be thought of as a number of thin pieces of texture used to generate a three dimensional image map. 3D textures are typically represented by 3 coordinates. Generally, 3D textures are packed into a rectangular parallelepiped with each dimension constrained to a power Read More

DirecTV is a direct broadcast satellite company that controls the majority of satellite television service in the United States. DirecTV’s main rival is Dish Network, which has considerably fewer customers and less annual revenue. While DirecTV does not provide services to the Eastern Hemisphere, it does provide services to much of the Western Hemisphere, including the United States, Latin America, and the Anglophone Caribbean. Since its launch in 1994, DirecTV has become one of the largest direct broadcast television satellite companies in the world.   How DirecTV Works DirecTV purchases Read More

An iPad is a tablet PC that Apple developed, which allows users to combine a Mac’s performance with an iPhone’s portability. iPads are too large to fit inside someone’s pocket, but can be easily used whilst traveling and includes built-in connection features such as Wi-Fi, Bluetooth, and 3G. iPads are extremely portable, while still allowing users to do everything they can on a regular computer. While iPads differ in design, all iPads are equipped with touch screen and may feature one or more built-in cameras. Some popular iPad alternatives include Read More

While many applications claim that Facebook users can find out who is viewing their profile, most of these applications are simply lying and are actually trying to get the user’s Facebook password, install malicious software on the user’s computer, or send spam to the user’s Facebook friends. Facebook’s privacy regulations ban applications from actually providing the user with information about who is viewing his/her page. As a result, users are only able to piece together information to find a clue that may help them determine who is viewing their profile Read More

Microsoft Word documents can utilize three passwords: Password to open Password to modify Protect document password   Password to Open   The Password to open requires a user to enter a password to view the document.   When the user sets a Password to open, the entire Microsoft Word document is encrypted with the RC4 stream cipher.   Password to Modify   The Password to modify requires a user to enter a password to make changes to the document.   When a user sets a Password to modify, the password Read More

Public Folder Overview In Exchange Server 2003, public folders can be used to share information between a group of users. In smaller organizations where only one Exchange server is typically installed, one public folder instance can exist. Where there are multiple Exchange servers and you need to provide fast access to public folder information, then you would probably have to create an additional public folder instance. Public folders can be created through: Outlook 2003 Outlook XP Outlook 2000 Exchange System Manager Windows Explorer Internet clients Web browsers The public folder Read More

The term 'HostName' refers to the name given to a particular machine that is part of a computer network. The machine can be a simple computer, a network server, a network printer, a fax machine or copier, a modem, a network storage device or any other electronic device connected to a network. Each of these machines can be assigned a unique hostname by which they are identified in the network. There are various naming systems used to assign hostnames and each of them has their own naming convention that is Read More

Also known as body armors, there are different types of bullet proof vests. The most common is the soft vest usually used by the police force and private security; it cannot stop ammunition of big caliber. Hard-plate reinforced vests are necessary when heavy ammunition is involved; they are used as part of the default equipment in the Army. Soft bullet proof vests are formed from advanced woven fibers that can be sewn into vests and other soft clothing. The fibers form a tight interlaced net which disperses the energy of Read More

For hardcore gamers, the Microsoft Xbox is one of the top consoles ever created. The hardware itself is on par with many desktop computers of just a few years ago, which gave many hackers the great idea of actually making their Xbox into a computer fully equipped with a DVD ROM drive, keyboard, mouse, and monitor (in this case a TV screen). Any Xbox owner who has always wanted to own a Linux computer can now create one with his/her Xbox. Here are some tips. The Xbox is a real Read More