About: Ibrar Ayyub

Cell Phone Basics A cell phone is basically a sophisticated two-way radio. Towers and base stations, arranged into a network of cells, send and receive radio signals. Cell phones contain low-power transmitters that let them communicate with the nearest tower. As you travel, you move from one cell to another, and the base stations monitor […]

The announcement made quite a stir at the Nintendo booth in the exhibition hall. People lined up for hours just to get a few minutes with the device. Nintendo tethered each 3DS to its booth and each system had its own dedicated spokesperson dressed all in white at the ready to answer questions. One question […]

Tracking Technology ­ Location tracking is not one, single technology. Rather, it is the convergence of several technologies that can be merged to create systems that track inventory, livestock or ­vehicle fleets. Similar systems can be created to deliver location-based services to wireless devices. Current technologies being used to create location-tracking and location-based systems include: […]

TV Pixels and Your Brain Let’s start at the beginning with a quick note about your brain. There are two amazing things about your brain that make television possible. By understanding these two facts, you gain a good bit of insight into why televisions are designed the way they are. The first principle is this: […]

(Phys.org) —What better place to use the “new vintage” computing theme than in Napa Valley where the Cray User Group meeting took place on Tuesday, The tie-in this year is Cray’s new vintage of supercomputers for a business segment that Cray calls the “technical enterprise.” In brief, Cray has seen an opportunity to accommodate the need for complex computing simulations of supercomputers but engineered (in the form of economized packaging, networking, cooling and power options) at a price that businesses can entertain.

1A DC/DC switch-mode regulators TRACO TSR-1 already found their stable place on the market and they successfully replace inefficient linear regulators. Switch-mode power supplies are still more used in all segments of power supply, to which also belongs a regulation on the side of the load (Point Of Load – POL). Perhaps every designer is […]

The Clock of the Long Now, as it’s officially dubbed, is meant to be an artifact capable of connecting our generation with generations to come. Nobody can predict with any accuracy what the world will look like in 10,000 years. Because there are so many variables, Hillis and his team had to take into consideration […]

create_drill_line_array1.21.zip Creates a line of holes or vias along an arbitrary path. Options for a trace with specified width/exposure which follows the line of vias. The vias can be spaced by total number for the guide path, or by distance between vias. Uploaded by James Connors from USA Uploaded on 07.12.2007   For more detail: […]

The AirPort Express is meant to let you create a wireless Internet access point anywhere — at home, in a hotel room or just about any place you need a fast, dependable connection. It also lets you stream all sorts of multimedia goodies to various devices and extend the range of an existing wireless network. […]

Free Reverse Phone Lookup Reverse phone lookup works best if you start with a landline number for a business or residence. Before the Internet, phone companies published reverse phone directories, or reverse white pages, by specific town or area and made them available to the police, libraries and others. These books listed businesses and residences, […]