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Professor Dave Explains
Fischer Esterification and Saponification
How do we go from carboxylic acids to esters? Fischer esterification! How do we go from esters to carboxylic acids? Saponification! Let's get a closer look at these complementary processes now.
Curated Video
Mechanics
This live-action video program is about the word Mechanics. The program is designed to reinforce and support a student's comprehension and retention of the word Mechanics through use of video footage, photographs, diagrams and colorful,...
PBS
Pbs Kids Design Squad: What Is a Servo?
See how servo devices are used to adjust the motion or position of an object. [0:16]