From Federalist No. 70 to the 22nd Amendment and Arthur Schlesinger's "Imperial …
From Federalist No. 70 to the 22nd Amendment and Arthur Schlesinger's "Imperial Presidency," a discussion of expansion and checks on presidential power.
Showing that N(t)=Ne^(-kt) describes the amount of a radioactive substance we have …
Showing that N(t)=Ne^(-kt) describes the amount of a radioactive substance we have at time T. For students with background in Calculus. Not necessary for intro chemistry class. Created by Sal Khan.
Introduction to Exponential Decay. Using the exponential decay formula to calculate k, …
Introduction to Exponential Decay. Using the exponential decay formula to calculate k, calculating the mass of carbon-14 remaining after a given time, and calculating the time it takes to have a specific mass remaining . Created by Sal Khan.
Summary of thoughts in last two videos. Discussion of why Fractional Reserve …
Summary of thoughts in last two videos. Discussion of why Fractional Reserve Banking is a subsidy to banks and allows them to arbitrage the yield curve. Created by Sal Khan.
Price changes the quantity supplied, but what might cause supply to increase …
Price changes the quantity supplied, but what might cause supply to increase even if price hasn't changed? In this video, we explore the determinants of supply: those factors that cause an entire supply curve to shift. Created by Sal Khan.
The Roman Empire became less stable over the course of the Third …
The Roman Empire became less stable over the course of the Third to Fifth centuries CE. Historians point to internal divisions as well as repeated invasions from tribes such as the Huns and the Visigoths as reasons why the Empire fell. The fall of the Western Roman Empire occurred in 476 CE.
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