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Bozeman Science
Concept 3 - Scale, Proportion, and Quantity
In this video Paul Andersen explains the importance of scale in science and engineering. The Universe varies in size along three scales: size, timespan, and energy. Many phenomenon are too small and fast, or two large and slow to...
Curated Video
Understanding Price Elasticity of Supply and Characteristics of Supply Curves
In this video, the presenter introduces the concept of price elasticity of supply and explains how it measures the responsiveness of supply to changes in price. Different types of elasticity of supply are discussed, such as elastic,...
Institute for New Economic Thinking
Steve Keen: The Naked Emperor Dethroned 1/7
The two intersecting lines of supply and demand penetrate economics textbooks like Einstein's mass-energy equivalence penetrates physics textbooks. The theory behind the two lines is inherently flawed, says Steve Keen.It is not possible...
The Wall Street Journal
Adventures In E-Commerce
How are consumer brands competing in an Amazon-driven marketplace? Kara Goldin, Founder and CEO of Hint, and Gregg Renfrew, Founder and CEO of Beautycounter, sit down with WSJ Reporter Laura Stevens.
Crash Course
Fitting Models Is like Tetris - Crash Course Statistics
Today we're going to wrap up our discussion of General Linear Models (or GLMs) by taking a closer looking at two final common models: ANCOVA (Analysis of Covariance) and RMA (Repeated Measures ANOVA). We'll show you how additional...
Curated Video
Understanding Shear Stress and Torsion in Mechanics
This video explains the concepts of shear stress and torsion. It describes how internal stresses develop in a beam to resist external forces and how shear stress is defined as force per unit area when the force is acting parallel to the...
Mathispower4u
Find the Dimensions of a Bookcase Using a Linear Equation (Example)
How much wood would ...? The quick video uses a linear equation to determine the size of a bookshelf given a diagram of the shelves and the amount of wood to use. Scholars see how to set up the equation and solve it to determine the...
Corbett Maths
Converting between Metric Units for Area
If one meter is 100 centimeters, how many square centimeters is equal to one square meter? Hint: the answer isn't 100! How many pupils make this mistake? A video lesson calculates the conversion factor of the common metric area units....
Mathispower4u
Hooke's Law - Direction Variation Application
Get a direct stretch from a spring. The presentation shows how Hooke's law uses direct variation. Scholars see how to calculate the spring constant for a spring given a stretch distance and a force. Individuals then use the spring...
GPB Television
Physics 101: Physics Metrics
A half-hour introductory video on mechanics and the metric system was produced with beginning physicists in mind. Note-taking guides are provided, in addition to a follow-up metric worksheet. For the lab, learners construct paper frogs....
Curated OER
Scientific Notation Including Multiplication and Division
Here is a basic video on scientific notation. The presenter defines scientific notation for very large and very small numbers. Then he shows how to convert numbers to scientific notation, and how to do the reverse by converting from...
Curated OER
Solve Problems Involving Scientific Notation
This presentation takes the topic of scientific notation past the basics to look at some more complicated problems of simplifying numbers in scientific notation. Specifically, they cover multiplying a number in scientific notation by a...
Curated OER
Simplify Radical Expressions
Here the focus is on simplifying square root expressions. Showing how to rewrite a variable or integer radicand as a product of the perfect square factor and any remaining factors, is shown through examples. They also present...
Curated OER
Scientific Notation -- Multiplication and Division
The video quickly reviews the definition of scientific notation, and then demonstrates how to multiply two numbers in scientific notation together and how to rewrite the final answer if necessary. It does not show an example...