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                      NEWS 
                         
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                      Power 
                        walking 
                        Someday 
                        in the not too distant future, as you carry an increasingly 
                        burdensome backpack down a seemingly endless trail, you 
                        might be able to take comfort in at least not having to 
                        carry extra batteries... 
                         
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                      Blinded 
                        by the light 
                        The 
                        proliferation of camera phones and credit-card-sized digital 
                        cameras makes it difficult avoid having your picture taken. 
                        Help could be on the way, however, for the security and 
                        privacy conscious... 
                         
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                      Projecting 
                        a well-compensated image 
                        The 
                        challenge to using projectors to display computer-generated 
                        images has been finding suitable places -- preferably 
                        flat white surfaces -- to project the images on... 
                         
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                       Indoor 
                        cellphone tracking 
                        Services 
                        that track your position via your cellphone can locate 
                        the nearest post office or pizza parlor or indicate which 
                        of your friends are nearby, but they don't work indoors... 
                         
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                      Bits 
                        and pieces 
                        Nanosprings, 
                        small quantum computers, and a look at carbon nanotubes 
                        and electricity. 
                         
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                        FEATURES 
                         
                         
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                      View 
                        from the High Ground: 
                        Georgia Tech's Ronald Arkin 
                        The economics of labor, making robots as 
                        reliable as cars, getting robots to trust people, biorobotics, 
                        finding the boundaries of intimate relationships with 
                        robots, how much to let robots manipulate people, giving 
                        robots a conscience, robots as humane soldiers and The 
                        Butlerian Jihad. 
                         
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                      How 
                        It Works: Finding Information on the 'Net 
                        Accessing the vast amounts of unindexed 
                        information on the Internet means letting search engines 
                        see hidden databases and giving the Web a sense of meaning. 
                         
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