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Instruments of Change

Much of the work of modern science is made possible by the development of technology, such as instruments that enable scientists to measure the levels of a particular chemical compound in the water or air. Readers curious to learn how some of these technologies came to be and how they impact society may enjoy Instruments of Change, a digital exhibit from the folks at the Science History Institute (formerly the Chemical Heritage Foundation). Part of the Arnold O. Beckman Legacy Project, Instruments of Change incorporates archival photos, videos, and interactive features to invite visitors to explore the stories of five groundbreaking 20th-century scientific instruments: the oxidant recorder, the EASE analog computer, Beckman's historic pH meter, the infrared spectrophotometer, and Linus Pauling's oxygen meter. Each instrument's section explains its history and how it impacts life today. For example, the oxidant recorder, developed in the late 1940s, was an important part of how Los Angeles (and later, other cities) gained the ability to monitor its air quality and issue alerts when smog levels became dangerous to public health. This exhibit is best viewed in a full-screen browser window and may not perform well on mobile devices.
Archived Scout Publication URL
Scout Publication
Date of Scout Publication
August 9th, 2019
Date Of Record Creation
August 5th, 2019 at 10:39am
Date Of Record Release
August 5th, 2019 at 12:40pm
Resource URL Clicks
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