How do physicists see the unseen? Detectors are their eyes.Geiger Counter - Can you detect invisible bullets from everyday objects with the Geiger counter? How can you stop them?
Detector Detail - Join a detector design team. Manipulate 3-D pictures of particles and events in calorimeters.
Spark Chamber - Here's another detector - the spark chamber - used by physicists in the sixties. Watch for its sparkling traces of particles from space.
Shadow Wall - Can you freeze time with this detector?
Cloud Chamber: Spot Tabletop Jet Trails - If a particle's too small to see, can you see its path in the cloud chamber? Leon Lederman did!