This lesson idiscusses how bank notes and checks can be used. [Banking, Money, Finance playlist: Lesson 6 of 24]

This lesson talks about the pros and cons of various banking systems and talks more about using gold as a standard. [Banking, Money, Finance playlist: Lesson 18 of 24]

This lesson explains how reserve ratios limit how much lending an individual can do. [Banking, Money, Finance playlist: Lesson 9 of 24]

This lesson discusses the discount rate and window and the concept of lender of last resort. [Banking, Money, Finance playlist: Lesson 19 of 24]

This lesson explains the rationale for targeting interest rates instead of directly having a money supply target. [Banking, Money, Finance playlist: Lesson 16 of 24]

This lesson reviews tools of the Central Bank to increase the money supply [Banking, Money, Finance playlist: Lesson 13 of 24]

This lesson explains the weak points of fractional reserve banking. [Banking, Money, Finance playlist: Lesson 22 of 24]

This lesson continues the discussion of fractional reserve banking. It further discusses the FDIC, deposit insurance and its side effects. [Banking, Money, Finance playlist: Lesson 23 of 24]

This lesson is a summary of thoughts of why Fractional Reserve Banking is a subsidy to banks and allows them to arbitrage the yield curve. [Banking, Money, Finance playlist: Lesson 24 of 24]

In this video we install 8 AA batteries in Bit-zee's frame using zip ties. Created by Karl Wendt.

In this video we show you how to connect Spider's motors and batteries. Created by Karl Wendt.

In this video we upgrade Bit-zee' battery wires from 32 gauge to 18 gauge. Created by Karl Wendt.

An overview of the run up to and very beginnings of World War II.

In this video Karl talks to Ben Eater about his improvements to the Spider bot platform. Created by Karl Wendt.

This is the first of two videos where Sal derives Bernoulli's equation. Created by Sal Khan.

This is the second of two videos where Sal derives Bernoulli's equation. In the second half of the video Sal also begins an example problem where liquid exits a hole in a container. Created by Sal Khan.

Why does the Civil War matter? Kim discusses the importance of the Civil War and its effects on American society.

This 17-minute video lesson looks at understanding the structure of a muscle cell. [Biology playlist: Lesson 50 of 71].

This 6-minute video lesson provides an introduction to the neuron and its anatomy. [Biology playlist: Lesson 41 of 71].