.... though affordability might be the initial attraction. Because of competition by many companies price is always being driven down. Also, the many different customizable price plans offer an affordable package for any type of budget. Companies, which offer digital PCS service are always looking to lure new customers, and therefore are in constant review of their plans always trying to make sure they are treating their customers properly. This eventually leads to the best product for the customer. If there is any drawback to digital PCS it is that the service is still fairly n .....

.... stay out of trouble, but you pursue your craft without damaging the computers you hack into or the companies who own them. I. Do not intentionally damage *any* system. II. Do not alter any system files other than ones needed to ensure your escape from detection and your future access (Trojan Horses, Altering Logs, and the like are all necessary to your survival for as long as possible.) III. Do not leave your (or anyone else's) real name, real handle, or real phone number on any system that you access illegally. They *can* and will track y .....

.... higher security and reliability profiles. Both technologies are at about the same state of maturity and integration. Cable modems may offer a less expensive network solution because of its shared architecture, but that differential is more than offset by infrastructure costs required to upgrade existing networks. The largest advantage of ADSL, and it is a significant one, is the number of telephone lines already installed that can support ADSL, or prospectively available with network upgrades. Today the global ratio is in the order of 400 million to 6 million, or about 60 .....

.... before the automotive industry does something about it? Children are not the only victims, though. Small women and the elderly have also been killed as a result of airbags. The time has come to ask ourselves, "Do airbags really work?" First off, most people feel that airbags are a great safety device. They let people walk away from an accident without a scratch, right? They protect everybody, right? People don't need seatbelts if their car has an airbag, right? Wrong. Airbags cause injuries, airbags kill, and airbags don't work unless seatbelts are worn. In a rollov .....

.... beings are social animals. It is this fact that will keep them from being glued to their television sets. Clearly these factors will not allow interactive television to overtake the American home. So what exactly is interactive television and what does it do? Interactive television is the ability literally to interact with the television set just like we do with a home computer on the Internet. With the advent of fiber optics and satellite communications, the communications industry will be able to transfer megabytes of information in fractions of a second. This will allow .....

.... will be pushed forward and the child may get squeezed between the back of the seat and the airbag. Children are less likely to be killed in a crash if they are in the back seat. If someone must put a child in the front seat, they may want to have an on/off switch for the airbag installed on the passenger side. On/off switches are used to prevent the airbag from going off in an accident, but they aren’t recommended for most people. You only need an airbag switch on the driver’s side if your legs are too short to reach the pedals and have your torso 10 inches away from the s .....

.... layers of nylon fabric could dissipate the energy of the bullet revolutionized the use of modern body armor. The function of steel or hard plastic armor is to be impervious to a bullet. The function of ceramic armor is to slow the bullet abruptly by the hardness of the ceramic and to dissipate the bullet's energy as it destroys the armor at the point of impact; the tiles or plates of ceramic bulletproof vest thus have to be replaced once they have stopped a bullet. The textile vest deforms the bullet and then dissipates its energy, entangling it in the vest's many laye .....

.... definition are "reprogrammable" and "multifunctional." By "reprogrammable" they mean that if a robot gets a new assignment, it will need new instructions, but its basic structure will not change (except maybe a new mechanical hand). By "multifunctional" they mean a robot is the mechanical counter part of a computer that can handle various problems without any major hardware modifications. The only thing that changes when a robot is reassigned is its program of instructions. In modern robots, programmable microprocessors control all the robot's movements and actions. .....