The intricate tracking chamber of a particle detector at the research center DESY in Germany. <em>Photo: Satoru Yoshioka, Japan</em>
Tools of particle physics
These unique technologies, breathtaking in their scale and complexity, form a single scientific enterprise that spans the globe.

The intricate tracking chamber of a particle detector at the research center DESY in Germany. Photo: Satoru Yoshioka, Japan

What does it take to know?

At laboratories around the world, experiments bring physicists together to address 21st-century