Yet Johnson depicts these subjects using patterns made by some of the smallest things in the universe: subatomic particles ... and figures against a black background—maybe fireworks in a ...

However, these two events could also have been caused by impacts from background particles, such as cosmic rays from space, that managed to bypass the detector's shields. "Two events being ...

from those producing other particles (background). Even when interesting particles are produced, detecting them poses considerable challenges. They are too small to be directly observed and decay ...