Foil Leaf Electroscope. Aluminum leaves repel in the presence of a charged object. Created by Brit Cruise.
This art history video discussion examines this work by a follower of Bernardo Daddi "The Aldobrandini Triptych", tempera on panel, ca. 1336 (Portland Art Museum).
An introduction to recursion in coding.
What's the different between a wind force and the force due to gravity? This video covers both Newton's second law of motion and law of gravity.
David explains how to use a force vs. time graph to find the change in momentum and solves an example problem to find the final velocity of a spaceship. Created by David SantoPietro.
Formal and informal powers of the US president.
This 9 minute video will aid student mastery being able to compare the number of sellers and types of goods / services in oligopolies and monopolistic competition markets. This video will aid in mastery of standard EPF. 2 (h) and (i)
This 9 minute video will expand on oligopolies and how they can coordinate to create collusion and cartel (closer to a monopoly). In doing so, the students will also be introduced to OPEC cartel. This video will aid in mastery in standard EPF. 2 (h) and (i)
Learn how to calculate interest when interest is compounded continually. We compare the effects of compounding more than annually, building up to interest compounding continually. Created by Sal Khan.
Forward Contract Introduction. Created by Sal Khan.
Economists traditionally divide the factors of production into four categories: land, labor, capital, and entrepreneurship. Land refers to natural resources, labor refers to work effort, and capital is anything made that is used to make something else. The last resource, entrepreneurship, refers to the ability to put the other three resources together to create value. In this video, we define each of the four factors of production and provide examples of each.
An introduction to Gravity, Weak, Electromagnetic and Strong Forces. Created by Sal Khan.
The Fourier Series allows us to model any arbitrary periodic signal with a combination of sines and cosines. In this video sequence Sal works out the Fourier Series of a square wave. Created by Sal Khan.
Fourier coefficients for cosine terms. Created by Sal Khan.
Fourier coefficients for sine terms. Created by Sal Khan.
An overview of The Fourteenth Amendment and equal protection.
A deep dive into the Fourth Amendment, which protects citizens from unreasonable searches and seizures. In this video, Kim discusses the Fourth Amendment with scholars Orin Kerr and Tracey Meares.
This art history video discussion examines Fra Angelico's "The Annunciation", c. 1438-47, fresco, 230 x 321 cm (Convent of San Marco, Florence).
This art history video discussion examines Fra Angelico's "The Annunciation and Life of the Virgin" (in the predella), c. 1426, tempera on wood, 194 x 194 cm (Museo del Prado, Madrid).
This art history video discussion examines Fra Filippo Lippi's "Madonna and Child with two Angels", c. 1460-1465, tempera on panel, 95 x 63.5 cm (Galleria degli Uffizi, Florence).