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# Mathematics Illuminated

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# Mathematics Illuminated

April 14, 2010 8:32 AM Subscribe

Mathematics Illuminated is a set of thirteen surveys in varied topics in mathematics, nicely produced with video, text, and interactive Flash gadgets for each of the topics.

Great stuff for a non-mather like me! I'm passing it around. Thanks!

posted by kneecapped at 9:01 AM on April 14, 2010

posted by kneecapped at 9:01 AM on April 14, 2010

But does it explain how magnets work?

posted by griphus at 9:44 AM on April 14, 2010 [1 favorite]

posted by griphus at 9:44 AM on April 14, 2010 [1 favorite]

I need this to prepare for the next school year. Let me teach now!

posted by unwordy at 9:45 AM on April 14, 2010

posted by unwordy at 9:45 AM on April 14, 2010

This is really cool. I found a couple of diagram errors in "Unit 1 - Primes" and sent them an email:

1) The diagram showing the arrangement of 12 pebbles in various ways has a section labeled "3x4" that actually shows a 3x3 grid of pebbles. The label is correct but the grid is wrong.

2) In the Fundamental theorem of Arithmetic section, we are asked to think about an alternate number system where the only building blocks are numbers of the form 3n + 1 (one more than multiples of three). The diagram showing the members of set S shows 12 as a member when in fact it should be 13. The accompanying text correctly refers to 13.

Nitpicking aside, I am really enjoying these. As a business programmer I've had no occasion to deal with math beyond the basics for many years (strange, isn't it?) and this is lots of fun.

posted by freecellwizard at 1:10 PM on April 14, 2010

1) The diagram showing the arrangement of 12 pebbles in various ways has a section labeled "3x4" that actually shows a 3x3 grid of pebbles. The label is correct but the grid is wrong.

2) In the Fundamental theorem of Arithmetic section, we are asked to think about an alternate number system where the only building blocks are numbers of the form 3n + 1 (one more than multiples of three). The diagram showing the members of set S shows 12 as a member when in fact it should be 13. The accompanying text correctly refers to 13.

Nitpicking aside, I am really enjoying these. As a business programmer I've had no occasion to deal with math beyond the basics for many years (strange, isn't it?) and this is lots of fun.

posted by freecellwizard at 1:10 PM on April 14, 2010

I'm still stuck on Stoke's Theorem. My mathematical Waterloo.

posted by mrhappy at 1:21 PM on April 14, 2010

posted by mrhappy at 1:21 PM on April 14, 2010

Do I really have to drag all those little dots onto a grid? Can't I just draw the triangles with a pencil?

posted by sneebler at 7:59 PM on April 14, 2010

posted by sneebler at 7:59 PM on April 14, 2010

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posted by Wolfdog at 8:33 AM on April 14, 2010