How the heck do we map out a planet without oceans? NASA had to figure that out when we sent the Mariner 9 probe to Mars. There's some tricky, yet fascinating science behind all of it! In this video episode of Crash Course Physics, Shini...

A video lecture which demonstrates how to locate the triple point and critical point on a phase diagram. [5:39]

This lesson practices isolating extremes using concavity of a function. It is 2 of 6 in the series titled "Using Concavity to Optimize."

This lesson practices isolating extremes using concavity of a function. It is 3 of 6 in the series titled "Using Concavity to Optimize."

This lesson practices isolating extremes using concavity of a function. It is 4 of 6 in the series titled "Using Concavity to Optimize."

This lesson introduces the concept of the inflection point and explains how it is related to the second derivative and shape of a function. It is 1 of 5 in the series titled "Inflection."

This lesson introduces the concept of the inflection point and explains how it is related to the second derivative and shape of a function. It is 3 of 5 in the series titled "Inflection."

This lesson practices isolating extremes using concavity of a function. It is 1 of 6 in the series titled "Using Concavity to Optimize."

This lesson practices isolating extremes using concavity of a function. It is 6 of 6 in the series titled "Using Concavity to Optimize."

This lesson practices using the derivative to establish various kinds of endpoints for intervals of a function. It is 2 of 6 in the series titled "Finding the Intervals of a Function."

This lesson practices using the derivative to establish various kinds of endpoints for intervals of a function. It is 3 of 6 in the series titled "Finding the Intervals of a Function."

This lesson practices using the derivative to establish various kinds of endpoints for intervals of a function. It is 5 of 6 in the series titled "Finding the Intervals of a Function."

This lesson practices using the derivative to establish various kinds of endpoints for intervals of a function. It is 6 of 6 in the series titled "Finding the Intervals of a Function."