Bozeman Science
Chi-squared Test
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...
Crash Course
ANOVA Part 2 Dealing with Intersectional Groups - Crash Course Statistics
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...
Bozeman Science
Electric Field of a Sphere
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 Law.
Crash Course
Newtonian Gravity: Crash Course Physics
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...
TED-Ed
TED-Ed: How to think about gravity - Jon Bergmann
Did you know that when you fall down, the earth falls up to meet you? Explore the counterintuitive equation that describes gravity.
TED-Ed
TED-Ed: The math behind Michael Jordan's legendary hang time - Andy Peterson and Zack Patterson
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...
MinutePhysics
Our Ignorance About Gravity
Thanks to the Heising Simons Foundation (https://www.hsfoundation.org/) for their support of this video, and of short range gravity research. This video is about how little we know about the behavior of gravity at short length and...
Bozeman Science
Solving Hardy Weinberg Problems
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.
Bozeman Science
Standard Deviation
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...
Crash Course
Integrals: Crash Course Physics
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...
Curated Video
How to Calculate Force - Newton's 2nd Law of Motion
Newton's 2nd Law tells explains how force can affect the acceleration of an object. The more force you apply to an object, the more it will accelerate. Also, the more mass an object has, the more force that is needed to cause the object...
Flipping Physics
Projectile Motion - AP Physics 1: Kinematics Review Supplement
In this video, we continue our AP Physics 1 review by diving into kinematics and projectile motion. In this lesson, we walk through several multiple-choice problems related to projectile motion, which are similar to what you can expect...
Curated Video
Acceleration
The rate of change of velocity with time, measured in metres per second squared. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary...
Curated Video
The Incredible Strength of Ants
Why are tiny ants considered the strongest creatures in the world? An introduction to the square-cube law and why muscle mass (length3) will always outstrip strength (length2). Maths - Number A Twig Math Film....
Curated Video
Diophantine Equations: Fermat
This amateur mathematician proposed an exciting theorem that stood unproved for over three centuries. He claimed he had the proof – but no room to write it in the margin of his book. Maths - History Of Maths A Twig Math Film. Reinforce...
Curated Video
Geometry and Measurements: Lateral Area and the Total Area of a Cuboid
By the end of this learning object, the student will be able to: Find the lateral surface area and the total area of a cuboid. (3 cases).64593
Curated Video
Algebra: Multiplying a binomial by an Algebraic Expression
By the end of this learning object, the student will be able to: Multiply two binomials.4026
Curated Video
Algebra | Expanding Single Brackets | Maths with Mrs. B
This video will guide you through the process of expanding a single term across terms within a bracket, demonstrating each step with clear examples. 00:00 Introduction 00:12 Demonstration 01:08 Questions 01:23 Example 1 01:51 Example 2...
Curated Video
Algebra | Expanding Three Brackets | Maths with Mrs. B
This video will guide you through the process of expanding expressions that involve Three sets of brackets, demonstrating each step with clear and detailed examples. 00:00 Introduction 00:12 Demonstration 03:22 Questions 03:38 Example 1...
Curated Video
Algebra | Expanding Two Brackets | Maths with Mrs. B
This video will guide you through the process of expanding expressions that involve two sets of brackets, demonstrating each step with clear and detailed examples. 00:00 Introduction 00:13 Demonstration 01:44 Questions 02:02 Example 1...
Curated Video
Deep Learning - Crash Course 2023 - Program Overview
In this video, we will discuss our program goal that we will be building in the next video. This clip is from the chapter "Sigmoid Neuron" of the series "Deep Learning - Crash Course 2023".In this section, we will begin our journey with...
Curated Video
Deep Learning - Crash Course 2023 - Loss Functions
In this video, you will learn about loss functions. This clip is from the chapter "Getting the Basics Right" of the series "Deep Learning - Crash Course 2023".In this section, you will learn some basic terms used in deep learning.