March 2009 Archives | Musings

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Austin Weather^#

Tuesday

Mostly Cloudy
High: 43°F
PoP: 100%

Tuesday Night

Mostly Cloudy
Low: 37°F
PoP: 5%

Wednesday

Mostly Sunny
High: 44°F
PoP: 0%

Wednesday Night

Mostly Clear
Low: 53°F
PoP: 0%

Currently:

Fair, 67.0°F (19.4°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

What Will They Think of Next?
- Jan 30, 2004
- I have no idea what the crapflooders are up to these days. They’ve gone on to greener pastures, or easier…
MTOS
- Dec 12, 2007
- The long and winding road.
The Standard Model Landscape
- Mar 12, 2007
- Arkani-Hamed et al construct a rich family of vacua for the Standard Model coupled to gravity.
Around the Blogs
- May 6, 2008
- Random stuff.
Innumeracy Watch
- Feb 17, 2006
- Richard Cohen flaunts his.

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

Statistical Innumeracy (2)
- Peter Theophilopoulos
  - May 20, 2017 13:31
  - The issue that many times an benign fibroid cyst leads to fears of the worst. My wife has had two ...
- Jim Lifter
  - Jan 15, 2011 15:34
  - I couldn’t agree more. We make such irrational decisions when such great data is available. Your example about breast cancer ...

Effective Field Theory of Inflation (5)
- Jacques Distler
  - Apr 9, 2017 11:47
  - Would it be correct to say that I can write down such an effective field theory for any frw coupled ...
- Nirmalya
  - Apr 4, 2017 03:05
  - Dear Jacques, Would it be correct to say that I can write down such an effective field theory for any ...
- Jacques Distler
  - Jan 12, 2008 22:33
  - In a non-Lorentz-invariant effective theory, the power counting can be rather different from what you would find in a Lorentz-invariant ...
- wandering.the.cosmos
  - Jan 12, 2008 22:17
  - Dear Jacques, I’m just a grad student here. This paper reminds me of a question I’ve been wondering about. In ...
- Robert
  - Jan 9, 2008 05:00
  - Thats indeed a very nice and carefull paper. Thanks for the link.

Responsibility (28)
- Jacques Distler
  - Mar 18, 2017 10:37
  - The theorem about Fourier Transforms is correct (and, of course, has nothing to do with Relativity). Your leap from that ...
- dx
  - Mar 18, 2017 08:34
  - Jaques, The crucial idea required to wed quantum mechanics and relativity is the idea of antiparticles, which arise naturally when ...
- Vladimir Kalitvianski
  - Mar 17, 2017 12:10
  - As I got stuck at f i(k→)f^i(\vec{k}) and the continuity equation is postulated rather than derived from (1), I am ...
- Vladimir Kalitvianski
  - Mar 16, 2017 08:21
  - For the sake of coherence with x ix^i, we should have written the function ff with the upper index (superscript), ...
- Vladimir Kalitvianski
  - Mar 16, 2017 08:03
  - The function f i(k→)f_i(\vec{k}) can be any function since the commutator does not impose any restriction to it. Let us ...

Naturalness Versus the Weak Gravity Conjecture (1)
- klg asli
  - Mar 10, 2017 15:13
  - Jual Obat Pembesar Penis Klg Asli Di Jakarta Jual Obat Pembesar Penis Klg Asli Di Makassar Jual Obat Pembesar penis ...

Audiophilia (9)
- Antonio Garcia
  - Feb 25, 2017 10:16
  - It is interesting to do the following experiment. With AUDACITY play at the same time file A+B. The result is ...
- John
  - Feb 20, 2014 06:52
  - I tried the files on my headphones but I still can’t find the difference. I guess I should buy more ...
- cvj
  - Feb 9, 2014 19:52
  - To be honest, I can not hear a brightness difference at all. Perhaps if my headphones were handy…. but on ...
- Michael Fremer
  - Feb 8, 2014 15:46
  - Well I’d say that Andy and his cohorts called it correctly.
- Nina
  - Feb 8, 2014 15:11
  - I guess there’s no good string theory progress to report on, huh? Oh well.

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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)