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Solve Real World Situations
New ReviewA video entitled "Solve Real World Situations" that covers solving a system of equations modeled by a real-world situation and interpreting the solution.
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Graph And Estimate Solution
New ReviewA video entitled "Graph and Estimate Solution" that covers graphing linear equations using x- and y-intercepts to solve systems of linear equations.
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Engineering vs Scientific Methods
New ReviewComparing the process of engineering vs. the scientific method.
Wonderscape
Empowering Solutions: Addressing Climate Change and Saving Our Ecosystems
New ReviewScience Kids Climate Change Causing Insect Relocation This video emphasizes the urgent need for transformative actions to combat climate change and protect our ecosystems. It highlights the importance of phasing out fossil fuels,...
Professor Dave Explains
Special Second-Order Differential Equations: Cauchy-Euler, Nonlinear, and More
New ReviewWe've covered the basics regarding second-order differential equations and their solutions, for both linear homogenous and nonhomogenous differential equations. Now let's look at some special second-order types, such as Cauchy-Euler, and...
Professor Dave Explains
Numerical Methods for Solving Differential Equations
New ReviewSolving differential equations can get pretty tricky, but in this modern age we have some tools that can be very useful. We can use computers to carry out sophisticated numerical methods that can solve any differential equation, no...
Professor Dave Explains
Power Series Solutions Part 1: Leibniz Method
New ReviewOne technique for solving differential equations is to use power series. Hopefully we remember Maclaurin series and Taylor series from our study of calculus. These will actually have an important application here, as we can use infinite...
Professor Dave Explains
Systems of Differential Equations Part 1: Modeling and Elimination
New ReviewDid you know that we can use systems of differential equations to model real world situations? It's true! Let's go through a concrete example from start to finish, to show how we can describe the scenario, come up with equations that...
Professor Dave Explains
Systems of Differential Equations Part 2: Matrices and Stability
New ReviewWe just looked at some simple ways to solve systems of differential equations, via modeling and elimination. But there are other methods, some of which involve matrices. This will require that we remember some concepts from linear...
Curated Video
Best Friend Teens Are Selling Handmade Bracelets To Help Heal Cleft Lip & Palate
Lifelong friends Sanjana and Nandini are raising money for children with cleft lip and palate by selling handmade charm bracelets for $5 and donating 100% of their proceeds to Smile Train. Thanks to these two teenagers and the charity...
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Canada in Trump's 'Buy American' crosshairs
U.S. president's new 'Buy American and Hire American' executive order targets Canada's dairy industry
Curated Video
How to Prepare a Standard EDTA Solution
Howcast - When converted to a standard solution, EDTA is a useful chemical compound for titration applications such as determining the metallic content of various solutions.
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Portal 2 Walkthrough / Chapter 8 - Part 7: Room 06/19
Howcast - Check out this Portal 2 walkthrough and beat Chapter 8 - Part 7: Room 06/19 with this online demo.
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How to Sanitize the Equipment for Beer Brewing
Howcast - Learn how to sanitize beer brewing equipment at home from home brewer Chris Cuzme in this Howcast video.
Curated Video
How to Brine Poultry, Fish or Meat for Barbecue
Howcast - Learn how to brine poultry, fish, or meat from Pork Barrel BBQ pitmasters Heath Hall and Brett Thompson in this Howcast video.
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How Women Can Improve Their Communication Skills
Howcast - Find out how women can improve communication skills from life coach Stephanie Florman in this Howcast video.
Curated Video
How to Have a Natural Hair Look on Your Wedding Day
Howcast - Learn how to have a natural hair look from stylist Joy La Rosa in this Howcast wedding hair tutorial.
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How to Sound Conversational in a Speech
Howcast - Learn how to sound conversational in your speech from media coach TJ Walker in this Howcast public speaking video.
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How to Treat Balding Hair
Howcast - Learn how to treat balding hair from hair transplant surgeon Craig Ziering, MD in this Howcast video.
Curated Video
Is It Possible to Cure an Addiction on Your Own?
Howcast - Learn if it's possible to cure an addiction on your own from Dr. Paul Hokemeyer in this Howcast video.
Curated Video
What Are Addiction Therapy Treatments?
Howcast - Learn about addiction therapy treatments from Dr. Paul Hokemeyer in this Howcast video.
Curated Video
How to Prepare Fabric for Tie Dyeing
Howcast - Learn how to prepare fabric for tie dyeing in this Howcast video.
Curated Video
How to Get Nontoxic Spring Cleaning Ideas
Howcast - Spring cleaning does not need to be a noxious-chemical-filled affair. Here are some ideas to keep your household chores nontoxic.