A voyage into the smallest "universe" imaginable: the atom. This program will explore the world of atoms, the subatomic world, and quarks, which are the basic building blocks of all matter. It will also cover the magnifying glass, optical microscope, and tunnel-effect microscope.

Originally released by Cerebellum Corporation, 2013. Streaming video file encoded with permission for digital streaming by Infobase on July 10, 2018.

Journey to the Heart of Matter (1:19); --Optical Microscopes (4:42); -- Electron Microscopes (2:31); -- Atoms (3:35); -- Summary (1:32); -- Credits: Voyage to the Heart of Matter (0:43); .