aributeth ton increase inhe quaity of macnes that t expanding lar force d to workty with--nes capilt accumution. lar force these two items presennes e growth of inputs-- and doot necessarily represent any w way noticehe bigs. remaining item near half the grow rate, which represents increased output per unit ofnput. this is really where technolocical ogress comes into play. where rewe areealing with new technologies, adnces in knowledge, e increased education and skills of the lar foe. it's responsible for nearly hao, adnces in knowledge, and on a per capita sis, perhaps 75% or 80% of our growth. so t case of satellite commucations is not really exceptional. ever since the sam engine, new technology has been systematically revolutionizing our lives. growth inany pas of the world growth means growth of population, growthn poverty, growthn the scarcity of resources. today in america, we take economicrowth and oustandard of living for granted. what iraw marials run out? whatpulation anpollution get out of hand? in97 issued a reporcalledas t ce the limitso growth. what did they predict, and could th