Brian McLogan
Verify an identity using the pythagorean identities
👉 Learn how to verify Pythagoras trigonometric identities. A Pythagoras trigonometric identity is a trigonometric identity of the form sin^2 (x) + cos^2 (x) or any of its derivations. To verify trigonometric expression means to verify...
Curated Video
Exploring the Shepard Tone
This video explores auditory illusions that play with sound and emotions. It introduces the concept of the Shepard Tone, an audio effect that creates the perception of an endlessly rising scale through clever manipulation of volume and...
Brian McLogan
Learn how to solve a system of equations by substitution
👉Learn how to solve a system of equations by substitution. To solve a system of equations means to obtain a common values of the variables that makes the each of the equation in the system true. To solve a system of equations by...
Brian McLogan
Given an angle bisector find the missing length of similar triangles
👉 Learn how to solve with similar triangles. Two triangles are said to be similar if the corresponding angles are congruent (equal). Note that two triangles are similar does not imply that the length of the sides are equal but the sides...
Barcroft Media
I Have Half A Body
MONTGOMERY, AL - JANUARY 17: DESPITE living with just half a body - inspirational Rowdy Burton is determined to not let his condition define him. 30-year-old, Rowdy, was born with a rare lower spinal disorder called Sacral Agenesis....
Easy Languages
Le système scolaire français
Easy Languages is an international video project aiming at supporting people worldwide to learn languages through authentic street interviews and expose the street culture of participating partner countries abroad. Episodes are produced...
Two Minute Music Theory
How Beethoven Writes A Motif
A look at the famous opening motifs from Beethoven's 5th Symphony
Brian McLogan
Determine the vertex and domain and range of a function
👉 Learn about the parts of a parabola. A parabola is the shape of the graph of a quadratic equation. A regular palabola is the parabola that is facing either up or down while an irregular parabola faces left or right. A quadratic...
Two Minute Music Theory
Using the Circle of Fifths
A look at all that can be done using the Circle of 5ths
Curated Video
What 2 Things Decrease Your IELTS Listening Score?
Today we talk about 2 things that decrease your IELTS Listening score, and how to improve your listening preparation.
Curated Video
Band 8 Sample IELTS Part 2 About Childhood Places
Today you’ll hear a band 8 sample IELTS Part 2 about childhood places and learn how a native would talk about these memories. Surprisingly, you really can find a story that connects to nearly any Part 2 topic! Recalling the memory of a...
XKA Digital
Bullies are usually just inadequate
Professor Aidan Halligan was the first NHS Director of Clinical Governance, and from January 2003 until October 2005, Aidan served in the UK Department of Health as Deputy Chief Medical Officer for England, with responsibility for issues...
Music Matters
How to Write Five-Part Harmony - Music Theory
Many musicians have received a grounding in writing harmony in four parts but very few have received help in relation to writing in five parts. This music theory lesson, as a first step, takes a passage of four part harmony and explains...
Curated Video
8+ IELTS Vocabulary to Describe Festivals
Today you’ll learn 8+ IELTS vocabulary to describe festivals, a fun and positive IELTS topic! On the IELTS Speaking Exam, you could be asked to talk about festivals or celebrations. This topic might also be found in a Writing prompt, in...
Odd Quartet
Music History - That Time Mozart Stole Music From The Pope
On a trip to Rome, Mozart and his father go see the Tenebrae service at the Sistine chapel to hear the Miserere. Then things get complicated.
Brainwaves Video Anthology
Chris Lehmann - Teachers Make a Difference - Tom Sobol
Chris Lehmann is the founding principal of the Science Leadership Academy, a progressive science and technology high school in Philadelphia, PA. The Science Leadership Academy is an inquiry-driven, project-based, 1:1 laptop school that...
Packt
Examples of Array List
This video presents examples of Array List. This clip is from the chapter "Core Java Tutorial - Part 3 - Collections Application Programming Interface (API)" of the series "Selenium WebDriver with Java - Basics to Advanced and...
Flipping Physics
Total Mechanical Energy in Simple Harmonic Motion
Calculus is used to derive the total mechanical energy in a horizontal mass-spring system. This is an AP Physics C: Mechanics topic. Content Times: 0:00 Simple Harmonic Motion Review 0:45 Elastic Potential Energy 1:39 Kinetic Energy 2:31...
Curated Video
8+ IELTS Vocabulary for Hopes and Dreams
Today you’ll learn 8+ vocabulary for speaking and writing about hopes and dreams on your IELTS Exam. [ This is a likely function you will have to express on the IELTS Speaking Exam, and you could also use these words in your Task 2...
Music Matters
How to Draw a Piano Keyboard - Music Theory
How to draw a piano keyboard. Who would want to know how to draw a piano keyboard? It’s more useful than you might realise. It helps musicians imagine how to play something or how something sounds. Being able to draw a keyboard quickly...
Odd Quartet
Music History - Guidonian Hand
A clever tool was created in the 10th century to help musicians learn the notes of the scales - this came to be known as the Guidonian Hand!
Two Minute Music Theory
Making the Alto Clef Make Sense
The Alto Clef can be very foreign to musicians. Some might even call it scary. So, today let's try to unpack the Alto Clef and maybe Demystify it just a little.
Mr Henry's Music World
Halloween Piano Tutorial for Kids Ghostbusters Theme Part One [EASY]
Hey there! Looking for fun, awesome piano lessons for kids ages 6-10? Check out this video!