This art history video discussion looks at Giacomo Barozzi da Vignola & Giacomo della Porta's "Church of Il Gesج_", consecrated 1584, Rome; and Giovanni Battista Gaulli's (also known as il Baciccio) "The Triumph of the Name of Jesus", Il Gesج_ ceiling fresco, 1672-1685.

This art history video discussion examines the "Mihrab" (prayer niche), 1354--55 (A.H. 755), just after the Ilkhanid period, Isfahan, Iran, polychrome glazed tiles, 135-1/16 x 113-11/16 inches / 343.1 x 288.7 cm (Metropolitan Museum of Art, New York).

This art history video discussion looks at Marcel Duchamp's "In Advance of a Broken Arm", 1964 (fourth version, after lost original of November 1915) (MoMA).

Much of statistics is based upon using data from a random sample that is representative of the population at large. From that sample mean, we can infer things about the greater population mean. We'll explain.

This art history video discussion examines Ingres's "La Grande Odalisque", 1814, Oil on canvas, 36" x 63" (91 x 162 cm), (Musee du Louvre, Paris).

This art history video discussion looks at Jean-Auguste-Dominique Ingres, Princesse de Broglie, oil on canvas, 1851‰غز53 (The Metropolitan Museum of Art).

This art history video discussion looks at Jean-Auguste-Dominique Ingres's "Raphael and the Fornarina", 1814, Oil on canvas (Fogg Art Museum).

Sal shows examples of intersection and union of sets and introduces some set notation.

Adjectives are the words we use to modify nouns. هتDavid explains how, with the help of a bear.

We've learned about matrix addition, matrix subtraction, matrix multiplication. So you might be wondering, is there the equivalent of matrix division? And before we get into that, let me introduce some concepts to you. And then we'll see that there is something that maybe isn't exactly division, but it's analogous to it.

Sal introduces the famous and super important Pythagorean theorem! This lesson includes an introduction video followed by examples and practice problems involving finding the hypotenuse, finding a side, finding area of an isosceles triangle, and determining if a triangle is a right triangle. It is followed by a unit on Pythagorean theorem applications.

This art history video discussion looks at the reconstruction of the "Ishtar Gate and Processional Way", Babylon, c. 575 B.C.E., glazed mud brick (Pergamon Museum, Berlin).

Sal checks whether the commutative property applies for matrix multiplication. In other words, he checks whether for any two matrices A and B, A*B=B*A (the answer is NO, by the way). Created by Sal Khan.

This essay looks at Italian Futurism. It includes a short video featuring a work by 19th-century scientist and photographer جنtienne-Jules Marey, whose chronophotographic (time-based) studies depicted the mechanics of animal and human movement.

This art history video discussion looks at a Byzantine panel with archangel, Ivory leaf from diptych, c. 525-50, 16.8 x 5.6 x 0.35 in. (42.8 x 14.3 x 0.9 cm), probably from Constantinople (modern Istanbul, Turkey), (British Museum, London).

This art history video discussion looks at Jackie Winsor's "#1 Rope", 1976, wood and hemp, 40-1/4 x 40 x 40 inches (SFMOMA, San Francisco).

This art history video discussion looks at a Japanese Negoro ware ewer, Negoro workshop, Muromachi period (1392--1573) to Momoyama period (1573--1615) second half of 16th century, lacquered wood, Wakayama prefecture, Japan (Portland Art Museum).