biography creativeabilityintechnology discoveriesinscience economicaspects economichistory encyclopedias engineering forecasts history hum016000 humor inventions inventors personal popularworks practicalguides reference science sciencemuseum(greatbritain) socialaspects sociology spaceandtime t15 tec056000ref015000 technologicalforecasting technologicalinnovations technology technologyandcivilization technologytransfer timetravel twentiethcentury unitedstates