Napkin ring problem

What is the Napkin Ring Paradox? (And How Does it Work?)

Paradoxes are seemingly absurd notions that by some means end up being truth. The napkin ring paradox is just that. It uses simple geometry to prove that a ring made from an orange, or any size sphere for that matter, and one made from the earth have the exact same internal volume. Prepare

From playlist Concerning Questions

Chow ring 1. Introduction.

This lecture gives an introductory overview of the Chow ring of a nonsingular variety. The idea is to define a ring structure related to subvarieties with the product corresponding to intersection. There are several complications that have to be solved, in particular how to define intersec

From playlist Algebraic geometry: extra topics

AMAZING Physics Trick with Ring That You Must See!

Ring catch chain trick The trick with this one is in how you drop the ring. If you let go of the ring with both fingers at the same time it would just drop to the floor. What you need to do is just release your thumb and keep your finger still. When you do this it causes the ring to fall

From playlist MECHANICS

Rope Trick for my neighborhood

During my show, a rope is spotted in my sleeve. I pull it...

From playlist My Magic

This is How You Use the Chain Rule in Calculus

This is How You Use the Chain Rule in Calculus

From playlist Random calculus problems:)

What is a Chow Ring?

This is a lazy introduction to the idea of a Chow Ring. I don't prove anything :-(. Maybe soon in another video.

From playlist Intersection Theory

How Many Neptunes Can I Put In the Same Orbit?

You can buy Universe Sandbox 2 game here: http://amzn.to/2yJqwU6 Hello and welcome to What Da Math! In this video, we will talk about Neptunes in the same orbit. Support this channel on Patreon to help me make this a full time job: https://www.patreon.com/whatdamath Space Engine is avai

From playlist Universe Sandbox 2

COIN THROUGH TABLE Magic Trick - Explained! (3 easy ways to push a coin through a table)

10% OFF at Squarespace using this code: https://www.squarespace.com/chrisramsay BOBO's Coin magic: http://amzn.to/2pauuoe Hey Everyone! Today we're going to look at 3 easy ways to make a coin, magically go through a table! Lots of different ways to create this illusion and I'm going to b

From playlist Tutorials

Napkin Ring Problem - Still Untitled: The Adam Savage Project - 8/15/17

Adam, Will, and Norm talk about Adam's recent visit to Jack White's Third Man Records, analog music recordings compared to digital, stories from a space show at our local science museum, and the most recent One Day Build with VSauce's Michael Stevens. Plus, Adam tries to explain the Napkin

From playlist The Adam Savage Project

Adam Savage and Vsauce's Michael Stevens Build a Kendama!

Adam is joined by Vsauce's Michael Stevens for a special One Day Build in the cave. Michael has recently taken up playing the Kendama, a Japanese cup and ball toy, and Adam helps make one from scratch that helps optimize his play. This build engrosses both into topics of machining, knot ty

From playlist Adam Savage's One Day Builds

We May Have Figured Out Why Neptune and Uranus Are So Different

I wrote a foreword for this awesome Sci-Fi book here: https://amzn.to/3aGrg0I Get a Wonderful Person shirt: https://teespring.com/stores/whatdamath Alternatively, PayPal donations can be sent here: paypal.me/whatdamath Hello and welcome! My name is Anton and in this video, we will talk ab

From playlist Solar System

Things Magicians NEVER Want To Hear!!

Yet it happens every day...

From playlist Magician Problems.

How to maximise your imagination - with Martin Reeves

How can the worlds of science and tech benefit from imagination? Discover a six-step process to harness your imagination and spark new ideas. Watch the Q&A here: https://youtu.be/YZr0weyMFQw Buy Martin's book 'The Imagination Machine' here: https://geni.us/s5dgjPd 00:00 Intro and demo 10

From playlist Computing/Tech/Engineering

[Discrete Mathematics] Permutations and Combinations Examples 2

In this video we do a letter permutation problem, a random walk problem, and a circular table problem. LIKE AND SHARE THE VIDEO IF IT HELPED! Visit our website: http://bit.ly/1zBPlvm Subscribe on YouTube: http://bit.ly/1vWiRxW *--Playlists--* Discrete Mathematics 1: https://www.youtube.

From playlist Discrete Math 1

Learn To Make A Coin APPEAR INSIDE A Glass!!

Spidey's Channel: https://www.youtube.com/channel/UCLESI66b8Efqw9EjFteMbbg Today, my friend Spidey will be teach you a cool impromptu miracle using borrowed items! Enjoy! 1000's of PUZZLES Available here: http://www.puzzlemaster.ca/?a=681162 ___ INSTAGRAM: https://www.instagram.com/chr

From playlist Tutorials

Biring example: direct sum ring scheme

Here we give the example of a ring scheme which gives rise to the theory of difference rings.

From playlist Birings

IMT4005 Digital Innovation, part 3

Digital innovation, seminar 1, part 3

From playlist Archive - Digital Innovation/Integration Project

Ring Jacob's Ladder Toy

Here is a way to build your own Jacob's Ladder Toy. If you don't know this toy, check http://www.youtube.com/watch?v=uqU2BX1bIc4 http://en.wikipedia.org/wiki/Jacob%27s_ladder_(toy) and if you like origami: http://www.youtube.com/watch?v=ykL0Tt7jdYY

From playlist Other...

Planes, Trains, and Escape Rooms - Still Untitled: The Adam Savage Project - 2/6/18

Recorded before the Falcon Heavy launch and this week's Star Wars news, the gang gathers to talk about safety belts on planes, the joy of trains, and Super Bowl movie trailers. Plus, an escape room recommendation for the Bay Area! To subscribe to Still Untitled, check out our RSS feed: ht

From playlist The Adam Savage Project