Pie in the Sky

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Here are two Comments tagged to the post Tall Gossip:

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Saswat:

Regarding the 2\pi factors, in my experience, I found that in string theory / high energy physics, whether someone was uber careful about those factors or not depended on whether she/he was a phenomenologist (such as Feynman) or a pure theorist / mathematical physicist (such as Leonard Susskind ). In the period 2000-2010 , when String Phenomenology / String Cosmology became hot, those 2\pi factors made the difference if a model was "phenomenologically viable" or not. And string theory gave anywhere between 1 to 10 such 1/2\pi factors depending on how many dimensions one compactified! So starting from a String / Planck scale, one could come down to GUT / Inflationary scale by using those factors.

gps:

That, to me is a mouthful. But I am told that the good old pi of my boyhood is out of fashion now and is being displaced by tau = 2 pi.

How nice!!!

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Kedar:

I remember reading your blog a while ago about increasing the number of students in IITs. Here is an interesting blog post:

http://dsanghi.blogspot.com/2011/07/inefficient-land-use-by-elite.html

gps:

The Post Kedar is referring to is:

http://gpsastry.blogspot.com/2011/06/pullout-blog.html

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