Learn about diodes as circuit elements in electrical engineering, including their characteristics and applications.

Learn about Zener diode voltage regulators in this Khan Academy class for 12th-grade physics students.

Explanation of the Calvin cycle in photosynthesis, including its stages and importance in converting carbon dioxide into glucose.

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Learn about energy changes and their effects with Khan Academy's comprehensive guide.

Khan Academy

Introduction to partial derivatives in multivariable calculus.

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