Instruments of Change

Discover the stories behind five of the most groundbreaking scientific instruments from the 20th century.

Explore the social, environmental, and scientific histories of instruments while engaging in exciting game play! This interactive exploration features Linus Pauling’s oxygen meter and Arnold O. Beckman’s iconic pH meter, EASE analog computer, oxidant recorder, and infrared spectrophotometer.

Play the games and learn about the profound impact these instruments have had on our world.

Instruments of Change is part of The Arnold O. Beckman Legacy Project, which was made possible with generous funding from the Arnold and Mabel Beckman Foundation.


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