This website from the University of Wisconsin-Madison's Materials Research Science and Engineering Center (MRSEC) brings together almost three dozen helpful instructional laboratory videos. The videos are contained in three sections, including Basic, Intermediate, and Advanced. Each video has been recorded in a high-quality digital format and a number of them are available in Spanish as well. Some of the offerings here include "Preparation of Cholesterol Ester Liquid Crystals," "Synthesis of Nickel Nanowires: Beaker," and "Synthesis of a Superconductor." It should be noted that there is an important disclaimer at the bottom of the homepage that is worth reading before attempting any of these activities.
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