科技发展
theplaceoftechnologyinmodernsocietyisasubjectofcontinuingcontroversy.keyissueincludesnotonlytheimpactoftechnologyonquotidianlifebutalsotheneedtocontrolthedevelopmentandusesoftechnologicalinnovationssothattheybenefitallaspectsofcommunity.
正面:
manytechnologicaldevelopmentsduringthelastcenturyhavehelpedreducehumansuffering.consider,forinstance,technologythatenablescomputerstomapearth’sgeographicalfeaturesfromouterspace.thistechnologyallowsustolocatelandsthatcanbecultivatedforfeedingmalnourishedpeopleinthird-worldcountries.and,fewwoulddisagreethathumanityisthebeneficiaryofthemyriadof20thcenturyinnovationsinmedicineandmedicaltechnology—fromprosthesesandorgantransplantstovaccinesandlasers.
20thcenturytechnologicalinnovationhasenhancedtheoverallstandardofcomfortlevelofdevelopednations.theadventofsteelproductionandassembly-linemanufacturingcreatedcountlessjobs,stimulatedeconomicgrowth,andsuppliedaplethoraofinnovativeconveniences.morerecently,computershavehelpedfreeupouttimebyperformingrepetitivetasks:haveaidedininthedesignofsaferandmoreattractivebridges,buildings,andvehicles;andhavemadepossibleuniversalaccesstoinformation.
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