Lean Manufacturing

Doodle Music Doodle Music
Posted by: Vihart

Video duration: 235 seconds

A visual and musical expression of mathematical symmetry groups. The transformations done to the video are equivalent to the transformations done to the notes.
These type of repeating patterns are called frieze patterns. A couple wallpaper groups are also represented.

Related: doodling, mathematics, art, pattern, symmetry, frieze, music, doodle

Why Every Proof that .999... = 1 is Wrong Why Every Proof that .999... = 1 is Wrong
Posted by: Vihart

Video duration: 197 seconds

Take that, mathematics!
Original Video: http://www.youtube.c om/watch?v=TINfzxSnn IE

Related: .999, point nine repeating, mathematics, math, proof, 1=2

9.999... reasons that .999... = 1 9.999... reasons that .999... = 1
Posted by: Vihart

Video duration: 601 seconds

Point Nine Repeating Equals One!
9.999... reasons in 9.999... minutes.
Bonus points if you can name all 9.999... lords a-leaping.
Dear YouTube, wouldn't it be nice if I could include the full script with this video? A larger character limit would not be unreasonable.

Related: mathematics, numbers, repeating decimals, real numbers, surreal numbers, hyperreal numbers

Fractal Fractions Fractal Fractions
Posted by: Vihart

Video duration: 345 seconds

How to make snazzy-lookin' fractal equations using simple algebra.
For more abacabadabacaba: http://www.abacaba.o rg/
and http://books.google. com/books?id=QpPlxwS a8akC&pg=PA60&lpg=PA 60&dq=abacabadabacab a+%22martin+gardner% 22&source=bl&ots=92e AyvrZGV&sig=J2uvF2DA yn9kY8nSarSy-XIXW74& hl=en&sa=X&ei=Np45T4 K9GYixiQK92NG2Bg&ved =0CCEQ6AEwAA#v=onepa ge&q&f=false

Related: fractal, fractions, infinity, mathematics, math, algebra

Wau: The Most Amazing, Ancient, and Singular Number Wau: The Most Amazing, Ancient, and Singular Number
Posted by: Vihart

Video duration: 319 seconds

What other amazing properties of Wau can you think of? Leave them in the comments.

Related: wau

Math Improv: Fruit by the Foot Math Improv: Fruit by the Foot
Posted by: Vihart

Video duration: 292 seconds

Playing mathematically with fruits by the foot.
Mobius Story, Wind and Mr. Ug: http://www.youtube.c om/watch?v=4mdEsouIX GM
Mobius Candy buttons: http://www.youtube.c om/watch?v=OOLIB3cjF qw
Mobius Music box: http://www.youtube.c om/watch?v=3iMI_uOM_ fY
Doodling Snakes + Graphs (Useful for drawing Borromean rings): http://youtu.be/heKK 95DAKms

Related: mathematics, mobius strip, frieze pattern, borromean rings, symmetry, fruit by the foot

Angle-a-trons Angle-a-trons
Posted by: Vihart

Video duration: 124 seconds

Slower 60-degree angle, polygon-a-tron, and tetrahedron-a-tron: http://youtu.be/uniq FnmcllE
This is a follow-up from Being a Plant part 2: http://youtu.be/lOIP _Z_-0Hs
Which comes after part 1: http://www.youtube.c om/watch?v=ahXIMUkSX X0

Related: angle, a, trons

Open Letter to Nickelodeon, Re: SpongeBob\ Open Letter to Nickelodeon, Re: SpongeBob's Pineapple under the Sea
Posted by: Vihart

Video duration: 118 seconds

SpongeBob background designer's response: "OK, I guess the jig is up... I'm tired of living a lie." See his full message and pineapple redesign: http://kennypittenge r.blogspot.com/2012/ 01/called-out.html P.S. http://youtu.be/sFTw c8kHSu4
For more on Fibonacci and Plants: http://youtu.be/ahXI MUkSXX0
For more snail: http://youtu.be/xbsA Uq_nvxE

Related: spongebob, pineapple, nickelodeon, snail, squarepants, math, mathematics, fibonacci

Doodling in Math: Spirals, Fibonacci, and Being a Plant [Part 3 of 3] Doodling in Math: Spirals, Fibonacci, and Being a Plant [Part 3 of 3]
Posted by: Vihart

Video duration: 367 seconds

Notes and References: http://youtu.be/POKW kuwoihM
Part 1: http://youtu.be/ahXI MUkSXX0
Part 2: http://youtu.be/lOIP _Z_-0Hs
How to find the Lucas Angle: http://youtu.be/RRNQ AaTVa_A

Related: fibonacci, plants, spirals, mathematics, algorithms, math, vi hart, phyllotaxis, golden ratio, lucas numbers

Doodling in Math Class: Spirals, Fibonacci, and Being a Plant [2 of 3] Doodling in Math Class: Spirals, Fibonacci, and Being a Plant [2 of 3]
Posted by: Vihart

Video duration: 374 seconds

Part 1: http://youtu.be/ahXI MUkSXX0
Part 3: http://youtu.be/14-N dQwKz9w
More on Angle-a-trons: http://www.youtube.c om/watch?v=o6W6P8JZW 0o
Note: Beautiful spirally non-Fibonacci pinecones are very rare! If you find one, keep it.

Related: doodling, mathematics, spirals, flowers, plants, phyllotaxis, fibonacci, golden ratio, phi

Doodling in Math: Spirals, Fibonacci, and Being a Plant [1 of 3] Doodling in Math: Spirals, Fibonacci, and Being a Plant [1 of 3]
Posted by: Vihart

Video duration: 355 seconds

Part 2: http://youtu.be/lOIP _Z_-0Hs
Part 3: http://youtu.be/14-N dQwKz9w
Re: Pineapple under the Sea: http://youtu.be/gBxe ju8dMho

Related: doodling, math, spirals, fibonacci, sequence, series, plants, phyllotaxis, golden ratio, pine cones, flowers, vi hart

Doodling in Math Class: Triangle Party Doodling in Math Class: Triangle Party
Posted by: Vihart

Video duration: 265 seconds

Triangles!

Related: doodling, mathematics, fractals, math, triangles, trigonometry, koch, vi hart, doodle, geometry, triangle

Doodling in Math Class: Squiggle Inception Doodling in Math Class: Squiggle Inception
Posted by: Vihart

Video duration: 326 seconds

How to draw squiggles like a Hilbert.

Related: squiggle, inception, doodling, math, mathematics, hilbert, curve, doodle, fractal, space-filling curve, vi hart

Origami Proof of the Pythagorean Theorem Origami Proof of the Pythagorean Theorem
Posted by: Vihart

Video duration: 194 seconds

Leave your homework in the comments. Extra points for clarity and conciseness!
Special thanks to my peeps at NYU where the idea for this video popped up during discussion.

Related: pythagorean theorem, geometry, mathematics, trigonometry, origami, paper folding, proof

Stop-Motion Sillyband Fight Stop-Motion Sillyband Fight
Posted by: Vihart

Video duration: 144 seconds

I'm in it for the topology.
What

Related: stop-motion, math, sillyband, animation, topology, hitchhikers guide, mutalisk

Re: Visual Multiplication and 48/2(9+3) Re: Visual Multiplication and 48/2(9+3)
Posted by: Vihart

Video duration: 199 seconds

A quick response to some mathy things going around.

Related: mathematics, multiplication

Binary Hand Dance Binary Hand Dance
Posted by: Vihart

Video duration: 148 seconds

Thanks to my bro for the music! He's at christopherhart2010@ gmail.com
Thanks to my other bro for hand dancin' and throwing money at me, and special thanks to my mamma and grandma for their guest appearances.

Related: mathematics, pi, binary

Oh No, Pi Politics Again Oh No, Pi Politics Again
Posted by: Vihart

Video duration: 219 seconds

Hooray, Michael Blake's video is now up here: http://youtu.be/YOQb _mtkEEE
I've got opinions. Facts, too.

Related: pi, math, copyright, binary, music

Pi Is (still) Wrong. Pi Is (still) Wrong.
Posted by: Vihart

Video duration: 317 seconds

Please excuse the simple math and spelling errors. You shouldn't believe anything I say without double-checking even at the best of times.
Go here: http://tauday.com/ and here: http://www.math.utah .edu/~palais/pi.html
Me: http://vihart.com

Related: pi, tau, pie, pi day, trigonometry, trig, math, mathematics, magritte, charlie sheen