Curated Video
Mastering the Technique of Latte Art
Explore the art and chemistry of latte art. Understand how the crema and microfoam of the steamed milk work together to achieve the consistency and properties necessary to create a design on the latte. The video also highlights the...
Professor Dave Explains
Practice Problem: Electrophilic Aromatic Substitution Retrosynthesis
You gotta know your EAS reactions for this one! Make sure you do them in the right order, too.
Weird History
What Did Medieval People Eat At Christmas Time?
The aristocrats of the Middle Ages (the fifth to 15th centuries) may not have thought of themselves as "foodies," exactly, but they certainly were obsessed with exotic and delectable fare. Medieval banquets were grand affairs, and they...
Let's Tute
Watercolor Landscape Painting Tutorial
In this video, the teacher guides the viewers through a step-by-step process of painting a landscape using watercolors. They explain the materials needed, demonstrate various techniques such as wet-on-wet and dry brush, and provide tips...
TMW Media
Algebra Word Problem Mixture Problems
The Algebra Word Problem Tutor series teaches by examples how to set up algebra word problems and solve them. This program teaches students how to solve word problems that involve mixtures. Students are taught how to read the problem and...
Curated Video
Marie Antoinette's Children part 2: The Life of Marie Therese, The Daughter of Marie Antoinette
This video tells the story of Marie Therese, the first child of Marie Antoinette and Louis XVI. It explores her childhood, and how her mother, Marie Antoinette, wanted to raise her to be more in touch with normal people. It also examines...
Curated Video
How to Find Rate Using Fractions
In this short video we will answer a multiple choice standardized math test question where we are asked to find the rate in cups per minute using fractions. We will first review that a rate is a ratio with specific units. We will write a...
Curated Video
Learning Microsoft Power BI - Reviewing Project Requirements and Determining Data Sources
In this video, we are going to review project requirements and determine data sources. • Learn how to take a given set of requirements • Understand what finalizing the requirements by multiple refinement and review iterations means •...
Professor Dave Explains
Henry Reaction
The Henry reaction is sometimes called a nitroaldol reaction, because it involves the addition of a nitronate salt to a carbonyl compound. This is a great setup for a Nef reaction, which was learned in the previous tutorial. Let's look...
Music Matters
Can You Name the Key of this Piece of Music? - Music Theory
Can you name the key this piece of music is in? This music theory lesson explains how to look at a short extract of music and figure out the key without hearing it. This types of exercises are often met in theory exams, where you are...
Music Matters
How to Build Major and Minor Chords - Music Theory
Learn how to build and recognise major and minor chords. This music theory lesson teaches you how to construct major and minor chords above any given note. Two techniques are explained, one based on intervals and the other based on...
Professor Dave Explains
Ramberg-Bäcklund Reaction
Let's hit one more olefination reaction, the Ramberg-Bäcklund reaction. This one involves an extrusion of sulfur dioxide to yield an olefin in intramolecular fashion. This is an example of a cheletropic reaction. Let's check out the...
Music Matters
What's the Key of this Piece? - Music Theory
When you look at a melody how do you know in which key it is composed? This music theory lesson presents a short piece and explains how to determine the key of a given melody. It also talks about modulation to a different key. How good...
Curated Video
Add Fractions with Like Denominators Using Visual Models
Understand how to solve word problems involving adding fractions with the same denominator using visual models. The visual examples provided demonstrate how to correctly add fractions by understanding the concept of equally sized parts.
Professor Dave Explains
IIT/JEE Chemistry Practice #23: Graham's Law of Effusion
Practice REAL problems from actual past IIT/JEE exams with Professor Dave!
Professor Dave Explains
Simple Distillation
We just learned two separation techniques, so let's learn one more! Distillation separates compounds by virtue of their differing boiling points. If two liquids are miscible, we can't perform extraction, but if they have very different...
Curated Video
Deep Learning CNN Convolutional Neural Networks with Python - RGB Images
This video explains RGB images. This clip is from the chapter "Image Processing" of the series "Deep Learning CNN: Convolutional Neural Networks with Python".This section focuses on image processing.
Catalyst University
Biotechniques | Principles of Gel Extraction
As always, the steps of a Gel Extraction depend on your specific lab and protocol. This vide will give you a general idea regarding when one would utilize a gel extraction and the general steps.
Professor Dave Explains
Practice Problem: Gravimetric Analysis
What the heck is gravimetric analysis? Well let's say we want to know how much of a substance is in some mixture. We could toss it in solution and cause it to form a precipitate with some other ion in solution. We can measure the mass of...
Professor Dave Explains
McMurry Reaction
It's now time to dig into some olefination reactions, which generate olefins, or alkenes. The first is the McMurry reaction. It involves some rather mysterious titanium chemistry, via a mechanism that is not fully understood. Let's check...
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?...