Math is logical, functional and just ... awesome. Mathemagician Arthur Benjamin explores hidden properties of that weird and wonderful set of numbers, the Fibonacci series. (And reminds you that mathematics can be inspiring, too!)

Two proofs for the surface area of a sphere

CALCULUS! Today we take our first steps into the language of Physics; mathematics. Every branch of science has its own way to describe the things that it investigates. And, with Physics, that's math. In this episode, Shini talks us...

In this tutorial I show how I synthesized the sound of hydrogen for the "Sound of Hydrogen" video using mathematica - it's a little technical, but you've been requesting it!

Paul Andersen shows you how to calculate the ch-squared value to test your null hypothesis. He explains the importance of the critical value and defines the degrees of freedom. He also leaves you with a problem related to the animal...

Do you think a red minivan would be more expensive than a beige one? Now what if the car was something sportier like a corvette? Last week we introduced the ANOVA model which allows us to compare measurements of more than two groups, and...

How Long To Fall Through the Earth?

In this video Paul Andersen explains how the electric field strength decreases as the square of the radius as you move away from a point charge, or a uniform distribution of charge on a sphere. This is a direct application of Coulomb's...

I'm sure you've all heard about Isaac Newton and that apple that fell on his head and how that was a huge deal to our understanding of gravity. Well... let's talk about that. In this episode of Crash Course Physics, Shini sits down to...

Did you know that when you fall down, the earth falls up to meet you? Explore the counterintuitive equation that describes gravity.

The Order of Operations is Wrong

Michael Jordan's legendary slam dunk from the free throw line has been calculated at 0.92 seconds of pure hang time. But how many seconds could Jordan have gotten were he doing the same jump on Mars? Or Jupiter? Andy Peterson and Zack...

Thanks to the Heising Simons Foundation ( for their support of this video, and of short range gravity research.



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Paul Andersen shows you how to solve simple Hardy-Weinberg problems. He starts with a brief description of a gene pool and shows you how the formula is derived. He then shows you how to solve a couple of sample problems.

In this video Paul Andersen explains the importance of standard deviation. He starts with a discussion of normal distribution and how the standard deviation measures the average distance from the mean, or the "spread" of data. He then...

Continuing with last week's introduction of calculus, Shini leads us through the ways that integrals can help us figure out things like distance when we have several other key bits of information. Say, for instance, you wanted to know...

In this short math video we will use function notation to translate a function. We will understand that translating a function down impacts the y-coordinate of EVERY point on the function. We will rewrite the function by subtracting 4...

In this shorts video we will find the area of a Valentine's Day Heart. We will be presented with a composite figure, a heart. A composite figure is a figure composed of two or more two-dimensional figures. The heart is formed by a...

In this shorts video we will review how to multiply polynomials. We will multiply a monomial and a binomial. We will review exponent rules when multiplying terms. We will use the distributive property to clear parentheses. We will...

In this shorts math video we will answer a standardized math test question where we find the volume of a cone. We are given the measurements of the radius and the height of the cone. We will review the formula for finding the volume of...

In this shorts video we will find the radius of a cylinder using volume. We will answer a standardized math test question where we are given the volume and the height of a cylinder and asked to find the radius. We will review that the...

During this shorts math video I will be using the area model to factor a quadratic expression. We will use a rectangle as a graphic organizer to support our success factoring a quadratic expression. We will draw a rectangle and divide...

In this short math video we will find the radius of a cone. We will be given the volume and the height of a cone. We will identify the formula for the volume of a cone. We will rewrite the formula using the giving values for the...

In this math video we will discover polynomial subtraction. We’ll subtract two polynomial expressions using the vertical stacking method — line up the like terms and subtract each set of like terms.
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