Curated Video
The REAL Answer To The Viral Chinese Math Problem "How Old Is The Captain?"
Media outlets around the world went crazy over a 5th grade math exam question in China. But they all missed the real story! The problem actually dates back to French researchers in 1979. In this video I present the real story to the...
Curated Video
Make A 9x9 Magic Square! Learn The Ancient Chinese Algorithm (Lo Shu Square)
Magic squares are arrangements of numbers where every row, column, and diagonal adds up to the same number. The ancient Chinese developed a geometric method to create 3x3 magic squares. Remarkably, they generalized the method to create a...
Curated Video
Chinese Math Homework Baffles Internet - Shoes, Cat, Whistle Puzzle Explained
A system of equations involving a pair of shoes, a cat, and whistles is the latest emoji math problem that people are arguing about, and it has gone viral on social media sites. The problem was given to primary school students in China,...
Curated Video
A Chinese 5th Grader Solved This In Just 1 Minute! HARD Geometry Problem
Thanks to Bill from New York for this suggestion! Bill emailed me a problem asked to 5th graders in China to identify talented students. A few very talented students did solve it in less than one minute! I was not able to solve the...
Curated Video
The Chinese Room - 60-Second Adventures in Thought (3/6)
An argument against computers ever being truly intelligent. (Part 3 of 6) Playlist link - https://www.youtube.com/playlist?list=PL73A886F2DD959FF1 Transcript link -...
Brian McLogan
How to solve a system of equations by graphing
👉To solve a system of equations means to obtain a common x-value and a common y-value that makes the each of the equation in the system true. To solve a system of equations by graphing means to obtain the point of intersection (if any)...
Curated Video
Two Grade School Math Questions Stumping Adults Worldwide Right Now
Media outlets around the world are reporting on these math problems that have "flummoxed" everyone. As these got so much attention, I wanted to share some of the headlines and give a small discussion about what I think is the real lesson...
Curated Video
MIND-BLOWING MATH DISCOVERY - Multiply Numbers By Lines Rotation Geometry
Since 2007, millions of people have watched videos on "how the Japanese multiply," also known as "Chinese stick multiplication" or "Vedic Math." With millions of people watching these videos, you would expect everything is known about...
Curated Video
"Only Geniuses Can Solve" The Viral 11x11 = 4 Puzzle. The Correct Answer Explained
If 11x11=4 and 22x22=16, what is 33x33=? This puzzle has been shared with the claim that only geniuses can solve it. It has gotten millions of views on the internet and Facebook as people have debated the correct answer. In this video I...
Life Noggin
What Would REALLY Happen If You Cloned Yourself?
What happens when we clone things? Is cloning people even possible? Watch more: “Could We Bring Extinct Animals Back To Life?” ►► https://www.youtube.com/watch?v=8oLhvD9mNso Subscribe: https://bit.ly/SubLifeNoggin | Get your exclusive...
Curated Video
Homework In China - Solve For The Area In Red. Can You Solve It?
What is the total area of the red spots? The diagram involves a rectangle with dimensions of 10 and 20. Inside the rectangle one of its diagonals is connected. There are two circles of equal size that are tangent to each other and the...
Curated Video
Homework In China Stumps Adults - The Flower Algebra Problem
This emoji math problem is said to come from a test given to a Chinese kindergarten class (5 year olds). It was posted online and caused a lot of debate as adults were stumped about the correct answer, some saying it is impossible. Can...
Curated Video
Can You Solve The Three 3s Challenge?
Thanks to Yale from Hong Kong for suggesting this problem! This problem went viral after Carl Ho's video (in Chinese), and there are many fun ways to solve it. My challenge is: find two answers to 3 3 3 = 10 using only the symbols + ! (...
Curated Video
Students In China: Solve A Math Problem For Internet Access!
A calculus problem went viral! Some major websites are reporting that students at a university in China had to solve this for the WiFi password in a dining hall. This is actually a pretty fun calculus problem. Watch the video for its...
Curated Video
What Is The Area? "You Should Be Able To Solve This"
Thanks to Reio in Romania for emailing me this fun problem! What is the area? This puzzle was shared with the tagline "you should be able to solve this." Solution to 5th grade Chinese challenge problem https://youtu.be/OuJQaxZvlYs My...