March 2009 Archives | Musings

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Austin Weather^#

Tonight

Decreasing Clouds
High: 32°F
PoP: 3%

Tomorrow

Mostly Sunny
High: 34°F
PoP: 1%

Tomorrow Night

Mostly Clear
Low: 40°F
PoP: 0%

Thursday

Partly Sunny
High: 44°F
PoP: 6%

Currently:

Overcast, 44.0°F (6.7°C)
(Doppler Radar)

MathML

$MathML logo$ Posts with this logo use MathML. To see the equations, you either need Mozilla or a MathML plugin for IE/Win. You will also need to install some fonts. The posts were authored in itex (an extension of WebTeX) using the itexToMML Text Filter plugin for MovableType (the README file).

Calendar

March 2009's Entries

Fun (With) Video
- Mar 2, 2009
- Fantastic fingering ferrofluids.

Random Past Entries

307
- May 25, 2007
- I need to get out more.
Lurie II
- Jan 23, 2009
- A romp through higher category theory.
Peas, Carrots, Beans
- Oct 17, 2003
- My daughter brought home the following problem from her 2nd grade math class: You have 10 pots in which…
Objection Overruled!
- Apr 30, 2003
- My, but this blog has taken a techno-geeky tilt… Anyway, Phil Ringnalda recently objected to serving XHTML as application/xhtml+xml. He…
Stanford Old Home Week
- Nov 14, 2003
- We have both Keshav Dasgupta and Scott Thomas visiting from Stanford this week. Keshav gave a very nice talk…

MT How-To

Validating Comments
- May 3, 2003
- Run comments through the W3C Validator before posting. The first in a series of “How-To” articles on MovableType.
Bullet-Proofing II
- May 11, 2003
- More bullet-proofing tips to ensure your blog is valid XHTML
Text Filters for Comments
- May 19, 2003
- Allow a choice of Text Filters in your Comment-entry form.
Serve it Up!
- May 26, 2003
- Serving your blog as XHTML 1.1 with a MIME-type of application/xhtml+xml.
<abbr>, <acronym>, Accessibility & ...
- Sep 10, 2003
- A tutorial on marking up abbreviations and an MT plugin which makes the job easy.
Forcing Comment Previews
- Jun 16, 2004
- Introducing the MTHash plugin, and a reliable way to force Comment Previews.
Internationalization and Trackbacks
- Feb 17, 2005
- In which our hero gets fed up with gibberish Trackbacks and takes matters in his own hands.

Recent Comments

Lying (1)
- Naukristate
  - Dec 10, 2019 20:07
  - Thanks

Forcing Comment Previews (12)
- Nudes
  - Dec 7, 2019 15:39
  - thanks for the post.
- Zack
  - Feb 3, 2005 12:09
  - FInally, I have installed MTHash. My MT patch file is also becoming large, though nowhere near yours. If the comment ...
- Jacques Distler
  - Jan 11, 2005 22:11
  - How badly do you really need MT-Hash/MT-Approval? What you really need is comment validation. The gentle persuasion involved in (re)moving ...
- Zack
  - Jan 11, 2005 17:57
  - Chad’s plugin forces un-previewed comments into a moderation queue. Is that so? I thought you could disable the Post button ...
- Jacques Distler
  - Jan 10, 2005 08:12
  - Chad’s plugin forces un-previewed comments into a moderation queue. That’s fine as an anti-spam measure (his purpose). But I really ...

Instiki 0.30.0 and tex2svg 1.0 (2)
- Jacques Distler
  - Mar 16, 2019 20:28
  - … but only if you choose the “Markdown with itex to MathML” text filter.
- Jacques Distler
  - Mar 16, 2019 20:18
  - Works on this blog, too:

Action-Angle Variables (24)
- Matthew Kvalheim
  - Apr 14, 2018 20:23
  - Sorry — when I said “global”, what I really meant was globally on defined on a torus or on a ...
- Jacques Distler
  - Apr 14, 2018 20:06
  - But then there is the question: why do the local 1-forms dφ id\varphi^i patch together to yield well-defined global 1-forms? ...
- Matthew Kvalheim
  - Apr 14, 2018 18:57
  - Interesting. I didn’t know that result. Thanks for the reference. Using that result, given (K 1,…,K n)(K_1,\ldots,K_n), we can locally ...
- Jacques Distler
  - Apr 14, 2018 12:12
  - It seems to me that your complaint, here, is purely a local one, and it is the thing that is ...
- Matthew Kvalheim
  - Apr 14, 2018 03:28
  - ω\omega is a fixed, known 2-form. I completely agree. Given ω\omega and the K iK_i, this defines a ...

MathML Update (1)
- Random Bloke
  - Apr 7, 2018 00:38
  - PW has a new post and he mentions you and an interaction with you in the past. Can you comment ...

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March 2, 2009

Fun (With) Video

Been rather busy with other matters, but I thought I would share a cool little physics video with you.

Continue reading “Fun (With) Video” ...

Posted by distler at 10:17 AM | Permalink | Followups (17)