Hi, what do you want to do?
TED Talks
Craig Costello: In the war for information, will quantum computers defeat cryptographers?
In this glimpse into our technological future, cryptographer Craig Costello discusses the world-altering potential of quantum computers, which could shatter the limits set by today's machines -- and give code breakers a master key to the...
TED Talks
Patricia Burchat: Shedding light on dark matter
Physicist Patricia Burchat sheds light on two basic ingredients of our universe: dark matter and dark energy. Comprising 96% of the universe between them, they can't be directly measured, but their influence is immense.
Bozeman Science
Graphing Data by Hand
Paul Andersen shows you how to graph data by hand. He explains the required elements of a scatter plot with a best fit line. He shows you how to properly scale and label the axes.
Curated Video
How to Plan a Square Foot Gardening Layout
Howcast - Square foot gardening uses boxed-in beds to grow vegetables and other plants in square-foot sections. Here are some tips for planning one.
Curated Video
How to Make a Crossword Puzzle
Howcast - For beginners, there are easy ways to create your first crossword puzzle.
Curated Video
How to Make a Garden Maze
Do you love gardening and have some time to spare? Build a garden maze and make your yard the neighborhood sensation.
Curated Video
What is the Slope of a Line?
In this video, we explore the concept of slope in mathematics, which measures the steepness of a line. Viewers learn how to calculate slope using the rise over run method, where the change in vertical position is divided by the change in...
Curated Video
Remodeling Houses Using Area and Perimeter
Learn different ways to find the area and perimeter of a polygon.
Curated Video
Investigating Aerobic Respiration in Yeast
This video is a lecture presentation on investigating anaerobic respiration in yeast. The presenter explains a general method for investigating factors that might affect the rate of anaerobic respiration in yeast by monitoring the rate...
Curated Video
Rates of Reaction Experiments: Investigating the Relationship between Concentration and Reaction Time
This is a lecture presentation on rates of reaction experiments. The presenter discusses the concept of the rate of a reaction and how it can be measured. The focus of the experiment is on investigating the relationship between the...
Curated Video
Quantitative Sales Forecasting: Analyzing Trends and Extrapolating Future Sales Performance
This video is a lecture presentation on quantitative sales forecasting. The speaker explains the technical and sophisticated layer involved in extrapolating past data to predict future sales and provides insight into how businesses can...
Curated Video
Exponential Functions and Graph Transformations with Constant Proportions
The video is a lecture presentation on exponential functions, specifically focusing on the equation Y = E to the power of K * X. The presenter explains the transformations of graphs and how they relate to exponential functions, using...
Curated Video
Drawing Trigonometric Graphs Using the Unit Circle
This video is a lecture on how to draw trigonometric graphs using the unit circle. The lecturer explains how to visualize sine, cosine, and tangent graphs by examining the relationships of the trigonometric ratios with the sides of right...
msvgo
Drawing Solids on Flat Surfaces
It describes the Oblique and Isometric techniques for drawing solids on flat surfaces.
Curated Video
Dilations: A Mathematical Change in Size
This video lesson introduces dilations. Dilations are a transformation that changes the size of a figure by enlarging it by a scale factor greater than one or by reducing it by a scale factor less than one. Real world examples are...
Brian McLogan
How to solve a system of equations by graphing both equations
πTo solve a system of equations means to obtain a common x-value and a common y-value that makes the each of the equation in the system true. To solve a system of equations by graphing means to obtain the point of intersection (if any)...
Curated Video
The Pythagorean Theorem: See a Proof and Learn How to Use the Theorem
During this video lesson, students will be introduced to the Pythagorean Theorem which is read a squared plus b squared equals c squared. Students will learn key vocabulary and how to identify the legs and hypotenuse of a right...
Curated Video
Understanding Rotations: Identifying and Rotating Figures in the Coordinate Plane
In this lesson on rotations, students will learn how to identify rotations and rotate figures in the coordinate plane. They will understand the vocabulary of transformations and how to tell when a transformation is a rotation. The...
Brian McLogan
Linear programming how to optimize the objective function
Learn how to solve problems using linear programming. A linear programming problem involves finding the maximum or minimum value of an equation, called the objective functions, subject to a system of inequalities, called the constraints....
Curated Video
How to Use and Prove the Pythagorean Theorem
This video teaches the Pythagorean theorem, explaining its proof and how to use it to find missing side lengths of a right triangle. The lesson includes key vocabulary and examples with step-by-step instructions, making it easy to...
Brian McLogan
Solve a system of equations using graphing
πTo solve a system of equations means to obtain a common x-value and a common y-value that makes the each of the equation in the system true. To solve a system of equations by graphing means to obtain the point of intersection (if any)...
KnowMo
Translations of Graphs
This video is a lecture presentation on the translations of graphs, covering both basic and advanced versions of translations. The presenter explains what a translation is, how to carry out translations using vector notation, and...
Curated Video
Small Basic: Drawing Shapes and Creating Flags
In this video tutorial, the teacher explains how to draw shapes using Small Basic programming language. The tutorial covers drawing rectangles, circles, and triangles, and shows how to fill them with colors to create flags. The...
Brian McLogan
Master Optimizing the objective function of a linear programming problem
Master Optimizing the objective function of a linear programming problem