Text Message Magic

From D.O.N.G.. CURIOSITY BOX XII: http://curiositybox.com My modular multiplication shirt: https://www.curiositybox.com/store/t-shirt-modular-multiplication Send me Stuff! Michael Stevens PO Box 33168 L.A. CA 90033 Follow me! @tweetsauce on twitter @electricpants on instagram ***CREDITS*** Hosted by Michael Stevens Edited by Hannah Canetti (https://www.instagram.com/hannaynaycanaynay) VFX by Jack Merline Music from AudioNetwork (https://www.audionetwork.com) ***VSAUCE LINKS*** Vsauce1: http://youtube.com/vsauce1 Vsauce2: http://youtube.com/vsauce2 Vsauce3:…

Euler’s Disk

From D.O.N.G.. Get a free month of CuriosityStream! https://curiositystream.com/box Get your own Euler’s Disk! https://www.curiositybox.com/store/eulers-disk Subscribe to the Curiosity Box: https://www.curiositybox.com/ Shop the Curiosity Box Store: https://www.curiositybox.com/store LEARN MORE ABOUT EULER’S DISK: Matt Parker’s great video about the ratio between spin-rate and precession-rate for the disk: https://www.youtube.com/watch?v=8pSLffliCk0 https://www.real-world-physics-problems.com/eulers-disk.html https://www.thepocketlab.com/educators/lesson/investigating-spinning-coin-euler-disk-problem Moffat’s famous article on the finite…

Hyperboloids

From D.O.N.G.. ⬇LINKS TO SOURCES AND TO LEARN MORE BELOW ⬇ get your own twizz mug: https://geni.us/TwistTopMug Hyperboloids on Wikipedia: https://en.wikipedia.org/wiki/Hyperboloid Build a hyperbolic slot with LEGO: https://www.instructables.com/id/LEGO-Hyperbolic-Slot/ Make Anything’s HYPERBOLIC SLOT video: https://www.youtube.com/watch?v=U0NHqiHZSGg Another hyperbolic slot video: https://www.youtube.com/watch?v=IXQ1ZWBhnBk Hermes display: https://m.9gag.com/gag/av8o5eZ Wolfram CDF’s: Petr Maxine’s “Plane Cross Sections of the Surface of a Cone”:…

The Pillowcase of Terror | Math Magic

From D.O.N.G.. LINKS: More about the trick: https://www.riddleministry.com/riddles/cards-in-the-dark/1333/ Mismag822’s tutorial and demonstration: https://www.youtube.com/watch?v=VaNCbEduGm0 Subscribe to quarterly deliveries of my favorite science+math toys: https://www.curiositybox.com/ https://twitter.com/tweetsauce https://www.instagram.com/electricpants/ Send me Stuff! Michael Stevens PO Box 33168 L.A. CA 90033 ***CREDITS*** Hosted by Michael Stevens Edited by Hannah Canetti (https://www.instagram.com/hannaynaycanaynay) VFX by Jack Merline Music from AudioNetwork (https://www.audionetwork.com) ***VSAUCE…

The Topsy Turvy Top

From D.O.N.G.. LINKS: Pacific Puzzle Works: https://www.etsy.com/shop/pacificpuzzleworks https://www.instagram.com/pacificpuzzleworks/ Subscribe to quarterly deliveries of my favorite science+math toys: https://www.curiositybox.com/ https://twitter.com/tweetsauce https://www.instagram.com/electricpants/ Send me Stuff! Michael Stevens PO Box 33168 L.A. CA 90033 ***CREDITS*** Hosted by Michael Stevens Edited by Hannah Canetti (https://www.instagram.com/hannaynaycanaynay) VFX by Jack Merline Music from AudioNetwork (https://www.audionetwork.com) ***VSAUCE LINKS*** Vsauce1: http://youtube.com/vsauce1 Vsauce2: http://youtube.com/vsauce2…

Möbius Bagels

From D.O.N.G.. ‘Tis the season to cut bagels into interlocked halves!! LEARN MORE: George Hart’s article: https://www.georgehart.com/bagel/bagel.html George Hart’s video: https://www.youtube.com/watch?v=dN8AwGUaqDA Eugenia Cheng’s video: https://www.youtube.com/watch?v=NRvK_07KRV8 more about Möbius strips and tori: http://web1.kcn.jp/hp28ah77/us27f_mobi.htm Subscribe to quarterly deliveries of my favorite science+math toys: https://www.curiositybox.com/ https://twitter.com/tweetsauce https://www.instagram.com/electricpants/ Vsauce PO Box: PO Box 33168 L.A. CA 90033 ***CREDITS*** Hosted…

LET’S PLAY SUPER MARIO QUADRATICS

From D.O.N.G.. PLAY SUPER MARIO QUADRATICS: https://teacher.desmos.com/activitybuilder/custom/5c7614041509d870d4838bfd DESMOS: https://www.desmos.com/ John Rowe’s tweet: https://twitter.com/MrJohnRowe/status/1105772206414413824 Subscribe to quarterly deliveries of my favorite science+math toys: https://www.curiositybox.com/ https://twitter.com/tweetsauce https://www.instagram.com/electricpants/ Vsauce PO Box: PO Box 33168 L.A. CA 90033 ***CREDITS*** Hosted by Michael Stevens Edited by Hannah Canetti (https://www.instagram.com/hannaynaycanaynay) VFX by Hannah Canetti and Jack Merline Music by Jake Chudnow…

The Hui Stick

From D.O.N.G.. FEED YOUR HEAD: https://www.curiositybox.com/ https://twitter.com/tweetsauce https://www.instagram.com/electricpants/ Vsauce PO Box: PO Box 33168 L.A. CA 90033 Watch Matthias Wandel build a “hui game”: https://www.youtube.com/watch?v=M6qLsl-MPOQ LEARN MORE ABOUT HUI PHYSICS: http://www.math.harvard.edu/~knill/pedagogy/huimachine/index.html https://en.wikipedia.org/wiki/Gee-haw_whammy_diddle https://physics.stackexchange.com/questions/273487/vibration-to-torque-magic-motor https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5829150/ https://www.woodgears.ca/hui/index.html ***CREDITS*** Hosted by Michael Stevens Edited by Hannah Canetti (https://www.instagram.com/hannaynaycanaynay/) VFX by Eric Langlay (http://youtube.com/ericlanglay) Music by Jake Chudnow and…

How To Build A Rollback Can

From D.O.N.G.. Get my favorite brain food delivered to your door! http://www.curiositybox.com Feynman on rubber bands: https://www.youtube.com/watch?v=XRxAn2DRzgI Twitter: http://twitter.com/tweetsauce Instagram: http://instagr.am/electricpants Vsauce PO Box: PO Box 33168 L.A. CA 90033 ***CREDITS*** Hosted by Michael Stevens Edited by Hannah Canetti (https://www.instagram.com/hannaynaycanaynay/) VFX by Eric Langlay (http://youtube.com/ericlanglay) Music by Jake Chudnow and from AudioNetwork (http://youtube.com/jakechudnow) (https://www.audionetwork.com) ***VSAUCE…

The Spoke Blur Effect

From D.O.N.G.. Get my favorite brain food delivered to your door! http://www.curiositybox.com https://twitter.com/tweetsauce https://www.instagram.com/electricpants/ Vsauce PO Box: PO Box 33168 L.A. CA 90033 ***CREDITS*** Hosted by Michael Stevens Edited by Hannah Canetti (https://www.instagram.com/hannaynaycanaynay/) VFX by Eric Langlay (http://youtube.com/ericlanglay) Music by Jake Chudnow and from AudioNetwork (http://youtube.com/jakechudnow) (https://www.audionetwork.com) ***VSAUCE LINKS*** Vsauce1: http://youtube.com/vsauce1 Vsauce2: http://youtube.com/vsauce2 Vsauce3: http://youtube.com/vsauce3

The Si Stebbins Stack

From D.O.N.G.. Get my favorite brain food delivered to your door: http://www.curiositybox.com https://twitter.com/tweetsauce https://www.instagram.com/electricpants/ Vsauce PO Box: PO Box 33168 L.A. CA 90033 ***CREDITS*** Hosted by Michael Stevens Edited by Hannah Canetti (https://www.instagram.com/hannaynaycanaynay/) VFX by Eric Langlay (http://youtube.com/ericlanglay) Music by Jake Chudnow and from AudioNetwork (http://youtube.com/jakechudnow) (https://www.audionetwork.com) ***VSAUCE LINKS*** Vsauce1: http://youtube.com/vsauce1 Vsauce2: http://youtube.com/vsauce2 Vsauce3: http://youtube.com/vsauce3

Thales’s Theorem

From D.O.N.G.. LINKS TO LEARN MORE BELOW! Get my favorite brain food delivered to your door: http://www.curiositybox.com https://twitter.com/tweetsauce https://www.instagram.com/electricpants/ Vsauce PO Box: PO Box 33168 L.A. CA 90033 Wask (strange objects like the short-sided ruler): https://waskstudio.com https://twitter.com/waskstudio Thales’s Theorem on wikipedia: https://en.wikipedia.org/wiki/Thales%27s_theorem Thales’s Theorem is a special case of the inscribed angle theorem: https://en.wikipedia.org/wiki/Inscribed_angle “axiom”…