SDLC (Systems Development Life Cycle) is the process of creating or modifying existing systems and the models and methodologies that are used in the process. In the fields of software engineering and information systems, SDLC denotes a framework of methodologies aimed at the creation of an information/software system, i.e. the software development process. SDLC covers many activities across well defined phases. These include questioning why the information system needs to be built, to charting feasibility factors, analyzing issues that are expected to crop up, zeroing in on a certain design Read More

Smart windows are next-generation windows that control light passage and increase energy efficiency of the room in which they are a fixture without having to block the view that the windows offer. Conventional "Light Control" There is a need to control the light that gets in through windows. For example, clear 'unblocked' windows in the summer means that the sun's rays can penetrate and heat the room. This will cause the air-conditioning system to work harder and thus increase consumption of electricity. On the other hand, 'blocking' these windows in Read More

The cause of a firework's explosion is a process known as oxidation. To have a successful fireworks show, there needs to be oxygen, different kinds of metals and a creative spark. However, the first two are what really are necessary for a firework to explode. Metal is ground up into tiny little fragments and then packed into the firework casing. They grind up the metal because, when large chunks of metal are oxidized, it creates a shield around the inner parts of the metal. This prevents complete oxidation. By grinding Read More

Biofuels have been one of the most talked about renewable fuel sources over the past decade. The world is now attempting to reduce its reliance on fossil fuels, which create a significant amount of pollution and otherwise harm the environment. As a result, bio fuels such as algae biodiesel, which generate less Carbon Dioxide while being burned, may be able to garner widespread support. A biofuel can have several forms: gas, solid, or liquid. The form that the fuel is stored in is based on how its base material was harvested. Read More

Casting is a mass production process which involves molten materials (such as metals, plastics or resins) being poured into a mold, allowed to solidify and then extracted for use. Casting can be thought of as a method for reproducing something – whether a mere part or a single unit by itself. Casting is a process that can be used to manufacture complex parts which would prove too expensive or time-consuming to produce using other methods such as cutting or shaping these from solid materials. Non-expendable Casting Techniques This involves the Read More

The iPhone has become a phenomenon. It one of the best looking and practical gadgets ever created and has become a hackers dream come true with many third-party applications becoming available. Initially, Apple refused to support third party apps but the iPhone Development Team created software to jailbreak Apple's lock on apps. However, Apple has recently agreed to allow developers to create third-party apps and today there are a wide variety of applications available for both the iPhone and iPod Touch. However, if you still would like to take advantage Read More

The installation of an antenna starts with the analysis of few things that are decisive in ensuring reception quality. First you must decide which type of antenna will be used. Choosing the antenna type for the requirement is crucial, as the antenna used generally requires a specific antenna for the specific use. Next you must decide on antenna positioning. Selecting a position that provides the longest range and incurs the lease ambient noise is a key factor. It is generally considered best to place an antenna in a location that Read More

Ettercap is a network security tool that intercepts network traffic. Ettercap can be run from a wide variety of operating systems including Windows, Linux, Unix, Mac OS X, Solaris, and BSD. It is a completely free, open source and is one of the most used and recommended security programs in the world. Ettercap intercepts network traffic, performs eavesdropping operations, audits a network for security limitations, captures passwords, and even denies service to a specific user. How Ettercap Works Ettercap uses a technique known as “ARP poisoning” or “Address Resolution Protocol Read More

MP4 or MPEG-4 (Moving Picture Expert Group-4), first published in 1998, was designed to encompass all the features that were part of earlier releases of MPEG files and add a few more that would prove helpful with the advancing online technology of the day. As a standardized group of video and perceptual coding formats, MP in general quickly became a hit with the average Internet user. The introduction of MP4 made it possible for the audience to continue growing by providing quicker, faster, and higher quality broadcast media for the Read More

Error 0x80070052 can occur when adding or accessing files on a USB flash drive. Although the error indicates that the drive is full or that files may not be created or saved, it can be triggered when the drive is not near capacity. The error is normally generated based on how the flash drive is formatted. When FAT or FAT16 format types are used to format a drive, there is a limitation on the total number of files or folders that can be saved on it despite its capacity to Read More