TED-Ed
TED-Ed: How false news can spread - Noah Tavlin
In previous decades, most news with global reach came from several major newspapers and networks with the resources to gather information directly. The speed with which information spreads now, however, has created the ideal conditions...
All In One Social Media
How To Use Facebook Messenger Code and Scanner
How To Use Facebook Messenger Code and Scanner // Social media platforms are going all-in for private messaging. With apps like Facebook Messenger, WhatsApp, and Snapchat seeing exponential growth in mere months, it should be no surprise...
The March of Time
1940s: VATICAN CITY: RAILROAD: HA WS Railroad Station w/ train pulling in. WS Station exterior. Males unloading train, taking cases, crates, imports. Men in 1930s tuck driving by parked train.
MOT 1940s: VATICAN CITY: RAILROAD: HA WS Railroad Station w/ train pulling in. WS Station exterior. Males unloading train, taking cases, crates, imports. Men in 1930s tuck driving by parked train.
Curated Video
Oil Pastel Art Project: How To Make A Halloween Scene
Searching for a spooky way to showcase your artistic skills this Halloween? Check out this oil pastel art project! In this video, Jessie shows you how to create a bat-themed mixed media masterpiece just in time for the Spooky Season....
Let's Tute
Introduction to Muscular Tissue System in Our Body
This is a video about the muscular tissue system in our body. It explains the different types of muscles, their functions, and features, and how they help in movement and bodily functions.
TMW Media
Circles And Circular Figures: Calculating the circumference of a circle
Given the diameter or the radius of a circle, what is its circumference? Circles And Circular Figures, Part 2
Jabzy
Punctuation - Stuff That I Find Interesting
In this video, Jabzy brings us historical tidbits and unknown facts about Punctuation
TED Talks
The surprising decline in violence - Steven Pinker
* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. Steven Pinker charts the decline of violence from Biblical times to the present, and argues that, though it may...
Curated Video
Can You Solve This Problem For 12 Year Olds In Singapore? 4 Overlapping Circles Puzzle
What is the area between a large circle and 4 smaller circles as shown in the diagram? The large circle's diameter is 84. This problem was given to primary school students in Singapore. Can you figure it out? Watch the video for a...
Curated Video
AMAZING CIRCLE ILLUSION! Optical Illusion Explained With Math
This incredible optical illusion shows how circular motion can result from linear motion! The reason we see the circle has to do with high school geometry. I explain why and give a formal mathematical proof in the video. My blog post for...
Curated Video
Times Table Number Circle - Make Patterns with Multiplications - Free download in description
Get the free times table number circle sheet here https://gum.co/SyCJw Draw your own times table number circles with this free download and watch the beautiful patterns made by the multiplication tables appear. This is a fun way of...
Curated Video
Can You Solve A Challenging Calculus Problem? The Circle Inscribed In A Parabola Puzzle
This is a challenging problem that ultimately works out pretty nicely. A circle with radius 1 is tangent to two points of the parabola y = x^2. What is the area between the circle and the parabola? Watch the video for a solution. Thanks...
Curated Video
Can You Solve A REALLY HARD Calculus Problem? Circle Inscribed In Bell Curves Puzzle
Solve for area of the circle that is centered at the origin (0, 0) that is inscribed between the bell curves with equations y = e^(-x^2) and y = -e^(-x^2). Can you figure it out? Watch the video for a solution. Related Puzzle - Circle...
Curated Video
Can You Solve The Square Inside 4 Circles Problem?
Four circles of equal size are inscribed in a square as shown in the video diagram. Inside of the four circles is a smaller square tangent to each of the four circles. If the large square has a side length equal to 4, what is the area of...
Curated Video
The Area Of A Circle Formula - Simple Intuitive Explanation
We all know the area of a circle is pi times the radius squared. But where does that formula come from? Here is a visual animation that shows how a circle can be rearranged into a rectangle whose area is easy to calculate. If you like my...
Curated Video
Inscribed Circle and Square Puzzle
This is a fun little geometry problem inspired by a suggestion from Yossi Rozhenko. If the red area equals the blue area, what is the value of: (large circle's radius)/(small circle's radius)? Small correction: At 3:07 I should have said...
Curated Video
Times Table Multiplications for Visual Learners - Number Circles - Easy to Learn
This is a fun visual way to learn times table, perfect if you are struggling to memorise the times table off by heart. You can stop the video at any time to play along and make your own number circles. This is a perfect method of...
Brian McLogan
Pre-Calculus - How to solve using the addition formula of two angles for cosine cos(160)
👉 Learn how to evaluate the cosine of an angle in radians using the sum/difference formulas. To do this, we first express the given angle as a sum or a difference of two (easy to evaluate) angles, then we use the unit circle and the...
Brainwaves Video Anthology
Jim Coan - Teachers Make a Difference - Frau Dufford
Dr. James Coan is Professor of Psychology and Director of the Virginia Affective Neuroscience Laboratory at the University of Virginia. Dr. Coan has consulted for clinicians, businesses and researchers, working with groups as diverse as...
All In One Social Media
How To Add Instagram Highlight Covers - Instagram Highlight Cover Tutorial
How To Add Instagram Highlight Covers - Instagram Highlight Cover Tutorial // Ready to take your Instagram aesthetic to the next level? Creating your own Instagram Stories Highlights covers is a great way to keep your Instagram profile...
Curated Video
Everyone Got This SAT Math Question Wrong
Problem: Circle A has 1/3 the radius of circle B, and circle A rolls one trip around circle B. How many times will circle A revolve in total? 1982 SAT Question In the figure above, the radius of circle A is one third the radius of circle...
Curated Video
VERY HARD South Korean Geometry Problem (CSAT Exam)
Thanks to Hyeong-jun (H. J.) for emailing me this problem! This is a challenging problem from the math section of the 1997 CSAT, a standardized test in South Korea. Can you figure it out? It took me several attempts, but it was really...
Kids’ Poems and Stories With Michael Rosen
Box - Kids' Poems and Stories With Michael Rosen
Box - Read by Michael Rosen from The Hypnotiser
Curated Video
Can You Solve A Problem That Stumped A Stanford Math Major? The Ratio Of Areas Of Squares
I majored in math at Stanford, but this geometry problem stumped me and I had to look up the solution. A square is inscribed in a circle. A smaller square is drawn; one side is shared with the inscribed square, and the other two corners...