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What is the Mechanism giving mass to fundamental particles? Part 2

At some point, Peter Higgs walks in, creating a disturbance as he moves across the room and attracting a cluster of admirers with each step...

Before walking into the room, Professor Higgs was able to move about freely. But after entering the room full of physicists, his speed has been reduced. The cluster of admirers has made it harder for him to move around; in other words, he acquires mass. This is analogous to a massless particle acquiring mass by interacting with the Higgs field.

And all he wanted was to get to the bar!

We thank CERN for use of these images and text. The concept was inspired by Prof. David J. Miller of University College London who won a prize for a lucid explanation of the Higgs Boson -- © CERN