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Technological and business impacts of PLT technology will be felt by Telecommunications and Energy providers PLT becomes the enabling technology for utility companies to become essential providers in the Wired Society It can be a major factor in the mass introduction of many new data services

The Import Data dialog box allows users to add a PivotTable, both a PivotTable and PivotChart, or just create the connection, and choose where to display the data

Another design that uses only its drive motors for attack power, the thwack bot spins rapidly in place, whipping a weapon on a long tail about at high speed Thwack bots are invariably two wheeled, as four- or six-wheeled designs cannot spin in place rapidly enough to make for a satisfying impact Usually, this design with exposed wheels and a symmetrical profile allows them to run well when inverted, thus making them a difficult opponent for wedges or lifters Narrow wheels are key to a thwack bot because wide wheels will add scrub resistance and slow down the turning rate Care must be taken to balance the robot so that as much of the weight as possible is resting on the main drive wheels; any weight resting on the tail or on any idler wheels is potential traction going to waste The wheels should be soft rubber, high-traction types, and foam filled for survivability Placing the wheels close together increases the top speed but will increase the time it takes to reach that top speed Figure 10-6 shows a thwack bot schematic Typically, ratio of wheel size to wheel spacing is between 2:1 and 4:1 Thwack bots typically have high driving speeds so that the high wheel speed can be turned into a high spin rate The need for high wheel speed and spinning requirements can make this kind of robot hard to control The main design challenge with thwack bots is finding a balance between top speed and spin-up time Ideally, a thwack bot should be able to reach top rotation speed in less than a single revolution, yet still have a top speed fast enough to do damage on impact A thwack bot that takes too long to spin up will find itself helpless once an opponent has come within range to attack Of course, more power makes for faster spinning (thus, less time to get up to full spinning speed) and higher top speed, so a thwack bot should have as much power as possible The primary weakness of the thwack bot concept is that it cannot move while spinning This type of robot must either spin in place and hope its opponent drives into it, or charge to within spin radius and then spin getting less than a full revolution before striking its opponent Several attempts have been made to build a navigation system that allows a thwack bot to translate while spinning, by.

Local access is a critical infrastructure issue It may be provided by various telecommunication technologies, of which PLT will be one In many cases, local access infrastructure will be a hybrid An example of how this infrastructure can look like is shown in Figure 15-3