Six top tips on how to raise your game in becoming a more professional performer in music. Many people get as far as playing or singing notes accurately but if you really want to play with greater technical facility and with more...

Learn about the Pythagorean theorem. The Pythagoras theorem is a fundamental relation among the three sides of a right triangle. It is used to determine the missing length of a right triangle. The Pythagoras theorem states that the...

John Green teaches you about Voltaire's hugely important Enlightenment novel, Candide. Candide tells a pretty wild story, but for the most part, it's about the best of all possible worlds. Which, spoiler alert, doesn't seem to be the...

👉 Learn how to find the derivative of exponential and logarithmic expressions. The derivative of a function, y = f(x), is the measure of the rate of change of the function, y, with respect to the variable x. The process of finding the...

Many musicians have tried everything in their powers to memorize music but feel very frustrated when the task cannot be mastered. Even though most musicians don’t actually need to memorize music, some do and there are benefits for all in...

Area of Inscribed Equilateral Triangle of Circle | Can You Solve?

Terminating a G protein Coupled Response

MOT 1939: NAZI WWII PROPAGANDA: Nazi Infantry soldiers walking through burned rubble of house. Children, boys walking on bombed town sidewalk carrying bundles, smoke BG. Refugees, displaced persons, possibly orphans.

In this video Paul Andersen shows conceptual thinking in a mini-lesson on components and interactions within systems.

T
ERMS:
System - a set of components (e.g. things) workin
g together
Components - a part of
a larger...

Everyday we do work, and most of the time we use tools to help us. This program begins by explaining what work is. The relationship between work and energy is then explored. Common examples of tools used to make work easier are...

Get better at sight reading with these expert tips and techniques, suitable for candidates preparing for ABRSM exams. How good are you at Sight Reading? It’s an area that many musicians worry about. In music exams, quite often it turns...

In this video, the teacher explains how to graph a polynomial by finding the X-intercepts. They demonstrate the process step-by-step and emphasize the importance of testing intervals to determine the sign of the graph.

Solfege and Tonic Sol Fa. What is it, and how is it used? Many musicians use sol fa. Others have heard about it but are not sure how it works. In this music performance lesson, we explain the sol fa system and how it can transfer from...

Swift 2 is a multi-paradigm programming language that has expressive features familiar to modern functional languages, and does not forget the object-oriented features of Objective-C. Things that took a block of code in...

While Thanksgiving is a time focused mainly on family, friends, and giving thanks, it's also the cause of a pervasive medical myth: that turkey makes you sleepy. Don't start with us about the tryptophan. Gah! We know about the...

How to bring musical refinement to your playing and composing by balancing textures. When we are performing, balancing textures well can add an extra dimension to our playing or singing. Performers who fail to consider the balancing of...

A closer look at the Diminished 5th

This video explains how to add FontAwesome icons to a page.
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This clip is from the chapter "Mobile-first Responsive Design in Cascading Style Sheets (CSS) and Web Design" of the series "Modern Web Design with HTML5, CSS3, and...

As we just learned, the 19th century brought about the practice of isolating compounds with medicinal properties from their natural sources, such as a variety of alkaloids. But one such alkaloid deserves its own chapter in this story,...

This video features an interview with Felix Siau, a Chinese Indonesian convert to Islam who has gained popularity as an online preacher. Despite not being an Islamic scholar, Felix has successfully connected with his audience by...

👉 Learn how to evaluate the limit of a transcendental function. The limit of a function as the input variable of the function tends to a number/value is the number/value which the function approaches at that time. The limit of a function...

TeD Fellow Andrew Pelling is a biohacker, and nature is his hardware. His favorite materials are the simplest ones (and oftentimes he finds them in the garbage). Building on the cellulose structure that gives an apple its shape, he...

This week, scientists have managed to make tear gland organoids that cry, and have also found a bunch of new genes involved in eye color!

* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. Ryan Lobo has traveled the world, taking photographs that tell stories of unusual human lives. In this haunting...