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It is in creating the artificial and controllable that science excels. Science and engineering have made it possible to construct the partially artificial surroundings we live in today, replete with huge bridges, trucks, airplanes, antibiotics and genetically altered species. We are likely to build an increasingly artificial, and hence increasingly knowable world. (]V+ ch)S C>~c 506AvD  
Two limitations may constrain the march of predictability. First, as the artifacts of science and engineering grow ever larger and more complex, they may themselves become unpredictable. For example, large pieces of software, as they are expanded and amended, can develop a degree of complexity reminiscent of natural objects, and they can and do believe in disturbing and unpredictable ways. f6IMj Lb\^" rV 1yK=Yf%B  
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