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How Feynman diagrams transformed physics

(Courtesy: Science Photo Library/Laguna Design)
19 Dec 2019 Robert P Crease
Taken from the December 2019 issue of Physics World, where it appeared under the headline "Paper tools".

Feynman diagrams reveal why the tools theorists use are as important as the theories themselves, writes Robert P Crease

Tools can change not only how theorists calculate but also what they calculate about. As the Interna

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Robert P Crease is a professor in the Department of Philosophy, Stony Brook University, US and writes the monthly Critical Point column for Physics World, robertpcrease.com, e-mail robert.crease@stonybrook.edu. His latest book is The Leak: Politics, Activists, and Loss of Trust at Brookhaven National Laboratory
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