paul1964uk's channel

Designed by the amazing Karen Kavett: http://www.youtube.com/xper...

In which John discusses the causes of the French Revolution and its i...

In which John calculates his carbon footprint and talks math with Daniel Biss.

Song: "Union Maid," by Old Crow Medicine Show

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In which John relates a condensed history of India, post-Indus Valley Civilization. John explores Hinduism and the origins of Buddhism. He also get...

I would appreciate it if you share this by clicking here: http://on.fb.me/ChopperPhysics . Trust me, there's more to Chopper Physics than you thin...

Part 5 (and last) of a general-audience talk on the Riemann Hypothesis

Funny parody of broadcasting restrictions imposed during the 1980's.

I initially recorded this for Al Jazeera stream program covering the KONY2012 video. If u want to discuss more find me at @rosebellk on twitter i ...

The Brownie Puzzle video led to a curious general question. Rectangles, parallelograms, regular 2N-gons all possess a special point through which a...

Just because we cease to exist when we die, that doesn't mean death is good.

Video transcript: http://zinniajones.com/blog......

A cute brownie puzzle leads to a serious math question: Which polygons possess the same amazing "cut in half" property as rectangles?

Lindy hop + accelerometer + gyroscope data == pure fun. Lead's traces are blue, follow's traces are red.

Top plot: acceleration (magnitude) ove...

After the even numbers, the multiples of 10 are particularly important. Their names are discussed, at least up to 100. Then we consider also multip...

Invisible Mercedes

http://www.youtube.com/watc...

Mercedes Fuel Cell Electric Car Publicity Stunt Invisible Video trick

Invisible Me...

When Mercedes wanted to promote its new fuel cell vehicle, instead of placing it squarely in front of everyone in the world, the company decided to...

There seems to be confusion about what radiation is and where it comes from. Many people believe it is the radiation that comes directly from nucle...

I was trying to get a better intuition for "the curse of dimensionality" in machine learning, and needed to know the volume of a unit n-sphere -- s...

A talk given by William Dunham, Professor of Mathematics at Muhlenberg College.

Basic Methods: We define theorems and describe how to formally construct a proof. We note further rules of inference and show how the logical equ...

Part 3 of 3.

http://Classic--Movies.blog...

Part 1 of 3.

If President Kennedy's assassin, Lee Harvey Oswald,...

To generate examples for addition, we recall the associative and commutative laws. This also introduces some pleasant counting problems relating to...

This is the full lecture of a seminar on a new way of thinking about Hyperbolic Geometry, basically viewing it as relativistic geometry projectiviz...

Pulse and bounce are key characteristics of lindy hop movement. But how do you know that you are pulsing enough? Easy: measure acceleration and tak...

Lindy hop + accelerometer + gyroscope data == pure fun. Lead's traces are blue, follow's traces are red.

Top plot: acceleration (magnitude) ove...

I was trying to get a better intuition for "the curse of dimensionality" in machine learning, and needed to know the volume of a unit n-sphere -- s...

Thinking about interest as the price of money. Looking at money from a supply and demand perspective

The business cycle and how it may be driven by emotion

Sal talks to Marcos about what he has been working on and why he joined the Khan Academy

Sal talks to Elizabeth about why she joined the Khan Academy and what she hopes to accomplish here.

The Earth spins on its axis, completing a full revolution every day. By why does it do this? One of the most common misconceptions in physics is th...

A description of how I broke the code: http://www.singingbanana.co...

Here's another excellent explanation from Rule The Web (...

Part of NCSSM Online Physics Collection: This video deals with Rotational Inertia. http://www.dlt.ncssm.edu

American investor (and longtime CM.com member) Erik Townsend has spent the past several years living internationally, with an eye to which countrie...

Here is a classic puzzle about cutting a piece of wire solved in an unusual- but natural - way. One just makes good use of the values of pi for non...

A somewhat nonstandard proof of Green's Theorem. I sweep one significant technicality completely under the rug, but I think this proof gives the im...

This video provides several examples of how to solve a DE using the technique of separation of variables.

website: http://mathispower4u.com

blog: ...

This is made with Google SketchUp 3D drawing CAD program

(check it out, it is really simple and royally free).

The add on that animates/interacts t...

This is made with Google SketchUp 3D drawing CAD program

(check it out, it is really simple and royally free).

The add on that animates/interacts t...

Special thanks to space fan http://www.youtube.com/tsjo... ! Your suggestion, while it didn't have the MOST votes, had enough to justify my d...

Basic Methods: We define tautology and contradiction and consider the conditions of logical equivalence and implication. Examples include DeMorgan...

This video defines an exact first-order differential equation and then provides a second example of how to solve an exact differential equation.

Vi...

This video will show how to determine the extrema of a function with three independent variables.

http://mathispower4u.wordpr...

This video will show how to apply the method of Lagrange Multipliers to a function with two independent variables.

http://mathispower4u.wordpr...