Physicists deal with background in their experiments in two ways: by reducing it and by rejecting it. To some degree, scientists on all of today’s particle physics experiments share a common challenge ...

SNOLAB scientists meticulously measure the signals that interfere with sensitive physics experiments. If the blender is on while you’re watching TV, its whirring may make it difficult for you to hear ...

In general usage, symmetry most often refers to mirror or reflective symmetry; that is, a line (in 2-D) or plane (in 3-D) can be drawn through an object such that the two halves are mirror images of ...