previously observable, using scientific instrumentation, has "provided a different texture of the world". This instrumentation revolution fundamentally changes human abilities to monitor and respond, as is illustrated in the examples of DDT monitoring and the use of UV spectrophotometry and gas chromatography to monitor water pollutants. See also Industrial control system Instrumentation (computer programming) Instrumentation in petrochemical industries International Society of Automation List of sensors Measurement Metrology Piping and instrumentation diagram – a diagram in the process industry which shows the piping of the process flow together with the installed equipment and instrumentation. Programmable logic controller Timeline of temperature and pressure measurement technology References External links International Society of Automation Institute of Measurement and Control Control engineering Industrial automation Sensors Measuring instruments