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Food Farmer Earth
Cooking with Fresh Wasabi
David Padberg, Executive chef at Park Kitchen in Portland, Oregon, demonstrates how to make real Wasabi, and shows some of the excellent foods that it can be used on as a garnish. alad or mayonnaise or whatever you want to use with them.
Professor Dave Explains
Performing Thin Layer Chromatography (TLC)
We've learned a few separation techniques, so how about one more? Chromatography separates components of a mixture by virtue of their differing polarities, and thin layer chromatography, or TLC, is an invaluable technique that is used...
Brian McLogan
ACT SAT PREP Learn how to determine the final weight given a ratio of weights
ACT SAT PREP Learn how to determine the final weight given a ratio of weights
Knowledge
Inside Things: Cement
The basic nuts and bolts of how things work is explained simply by exploring the natural world and human made inventions that we come in contact with. Cement is a common construction material. How is this hard, durable substance made?...
de Dicto
Machine Learning Systems Design with Sara Hooker: Other modeling techniques
Sara Hooker gives her opinion about other techniques like probabilistic models or explicit knowledge based models, and whether she thinks there will be a resurgence and if it will be valuable in the long term.
Machine Learning...
Machine Learning...
Curated Video
Simple Distillation Experiment for Separating Ink and Water
The video is a lecture presentation on a simple distillation experiment. The presenter explains the process of separating a mixture of water and ink using simple distillation. The equipment required for the experiment is shown and is...
Professor Dave Explains
The Isolation of Natural Products: Morphine and Other Alkaloids
In the early 19th century, we were still in the habit of searching for plants with medicinal properties. But we were finally beginning to develop the capacity to identify active ingredients within those plants, isolate them, and purify...
Coach Dan Blewett
The Curveball - Wrist Action, Physics and Grips for Baseball Pitchers
Curveball grips and physics of the flight of the pitch are discussed in this video.
Curated Video
Ethanol Production: Processes, Uses and Renewability
The video explores the production of ethanol and its various uses. It starts by discussing the importance of ethanol as a clean-burning fuel and a widely used industrial solvent. The video then explores different ways of producing...
Professor Dave Explains
Selective Precipitation
We know that insoluble compounds can form precipitates in solution when their constituent ions meet. But what if there are multiple possible precipitates? They actually may not all form at equivalent rates. We have to consult the Ksp...
Curated Video
What is a Golf Ball Made Of?
Discover the technology and materials used in the manufacturing of golf balls. From the core made of synthetic rubber or metal blends, to the layers of resin and thermoplastic, each component is carefully designed to enhance performance....
msvgo
Solutions and Its Concentrations
It explains solution and its properties. It also talks about the concentration of a solution.
msvgo
Therapeutic action of different classes of Drugs
It explains action of different classes of Drugs such as antacids, antihistamines, tranquilizers, analgesics, analgesic, non narcotic, narcotic, antibiotics, antiseptic, disinfectant.
Music Matters
The Whole Tone Scale - Music Theory
How to build a whole tone scale and exploring some of its uses. Most musicians are familiar with major and minor scales but what about other scales? The whole tone scale was much used by Debussy and other composers, and it generates a...
Why U
Algebra 31 - Calculating Mixtures of Solutions
This lecture shows how Algebra is used to solve problems involving mixtures of solutions of different concentrations.
Curated Video
How to Test for Ammonia Using Sodium Hydroxide - A Step-by-Step Guide
The video is a tutorial on how to test for the presence of ammonia by converting ammonium ions into ammonia using sodium hydroxide, and then detecting the ammonia gas by using damp red litmus paper as an indicator. The video explains...
Curated Video
Science of Glass Making: How is Glass Made?
Glass is made by heating sand (mostly composed of silicon dioxide) until it melts and turns into a liquid at a high temperature of around 1700° Celsius. When the molten sand is allowed to cool, it becomes an amorphous solid, featuring...
Bethany Thiele, Art Teacher
Marbleizing Paper for Beginners!
Discover the joy of MARBLEIZING! Here are the products I recommend:
Marbling Kit (this one has alum, colors, and methocel instead of ca
rrageenan)
Carrageenan, if you prefer thi
s ov
er...
Marbling Kit (this one has alum, colors, and methocel instead of ca
rrageenan)
Carrageenan, if you prefer thi
s ov
er...
Curated Video
Purging Industrial Refrigeration Systems - ammonia industrial engineering
How does the Intelligent Purging System (IPS) work, where is it installed and how does it remove air and non-condensables from industrial refrigeration system to maintain optimal performance and energy efficiency.
Professor Dave Explains
Alloys: Types and Examples
We know that liquids and gases can form mixtures, but did you know that solids can, too? Even metals! Mixtures of metals are called alloys, and they have tremendous technological application. What is the structure of an alloy? Are there...
Science Buddies
Paper Chromatography Experiments and Explanations
What food dyes are in your candy? Is black ink really black? What gives fall leaves their color? These are all questions that you can investigate using paper chromatography – a technique that can separate mixtures into their individual...
Learning Mole
Microbes
This kitchen science video lesson is all about microbes. Some can make you sick, others keep you healthy. Students will love this engaging and interactive video as they learn about science they can do at home.
Professor Dave Explains
The Chemistry of Arynes (Benzyne)
In this course we've come across some surprising structures, but benzyne is one of the most surprising. It would seem impossible that a triple bond could form on a benzene ring, and in truth it can't fully form, but benzyne is a molecule...