In introduction to Convex Parabolic Mirrors. Created by Sal Khan.
Understanding alternate coordinate systems. Created by Sal Khan.
Core spiritual ideas of Buddhism by way of comparison with ideas from the Hindu Upanishads.
This art history video discussion examines the "Coronation Mantle" likely made for the Norman ruler Roger II in 1133/34 in the royal workshop in Palermo of fabric from Byzantium or Thebes, Samite, silk, gold, pearls, filigree, sapphires, garnets, glass, and cloisonne enamel.
Understanding how most corporate debt is different than most personal mortgages. Created by Sal Khan.
Why people set up corporations. Created by Sal Khan.
Correcting the time difference calculation by taking into account that there is no year 0. Created by Sal Khan.
This art history video discussion examines Correggio's "Jupiter and Io" 1532-33, oil on canvas 163.5 x 70.5 cm (Kunsthistorisches Museum, Vienna).
Understanding why correlation does not imply causality (even though many in the press and some researchers often imply otherwise).
Cosmic Background Radiation. Created by Sal Khan.
Cosmic Background Radiation 2 - Redshift of the Cosmic Background Radiation. Created by Sal Khan.
An introduction to the Cosmological Time Scale 1. Created by Sal Khan.
An introduction to the Cosmological Time Scale 2. Created by Sal Khan.
This 10-minute video lesson looks at the beginnings of life on Earth. Life and photosynthesis start to thrive in the Archean Eon. [Cosmology and Astronomy playlist: Lesson 39 of 85]
This 10-minute video lesson looks at the formation of the Earth which is a the byproduct of a local supernova. [Cosmology and Astronomy playlist: Lesson 38 of 85]
This 11-minute video lesson looks at Potassium-Argon (K-Ar) dating and it can be used to date very old volcanic rock and the things that might be buried in between. [Cosmology and Astronomy playlist: Lesson 79 of 85]
Benefits and drawbacks of modern political campaigns in the United States, including consultants, campaign costs, and social media.
Learn about how firms determine the optimal combination of capital and labor in this video.
A real-world example of the concepts behind the AD-AS model is the oil shocks the United States experienced in the late 1970s. In this video, we break down some of the events going on at the time and use the AD-AS model to see if our predictions using this model match what really happened. Created by Sal Khan.
A real-world example of the concepts behind the AD-AS model is the oil shocks the United States experienced in the late 1970s. In this video, we break down some of the events going on at the time and use the AD-AS model to see if our predictions using this model match what really happened. Created by Sal Khan.