Friday, April 21, 2006

cluster in a day!

At my lab yesterday, all of us got to work and built up a cluster of 16 nodes.
A bit on specs:
8, 32-bit Intel Pentium IV @ 2.8 GHz with 2 GB RAM
8, 64-bit Intel Core Duo @ 2.66 GHz with 1 GB RAM (contributed by Intel India)

Though there is lot to setup still, cheers to all TCGians. Check out some snaps taken from my mobile.

  Posted by Picasa

Spider spider!


.... :) great closeup :o Posted by Picasa

Tuesday, April 18, 2006

Quantum Chemistry on Mobile!

This might not be the first attempt to do so, but to the best of my knowledge this is the first such attempt on an s60 platform using python!
I have managed to do electronic structure calculation on a small molecule H2 and will attempt to do larger molecules soon!

The code available here with a sample input file, is based on PyQuante (written by Rick Muller) and quantumj (written my me in Java, and based on early PyQuante code). The code has been squeezed to suite the constrained memory and CPU available on s60 phones.

Current code is very basic, and here is what you can expect from future versions:
- an interface for running the script.
- clean up, where required
- calculate electron density over a grid, and visualize it using mobimol


ps. i hope to create a page (google home page) describing some aspects of this and other codes written by me on s60 phones soon. so look back!

update: check for a brief description of mobimol and mobihf.

Sunday, April 16, 2006

photography after long break!

well managed to do some photography and got time to post one of them ;)

you can guess the amount of magnification i could get from the fact that the "black thread" that you see in the photo is actually a thin human hair!

and some quotes on cactus:
The world is full of cactus, but we don't have to sit on it. ~Will Foley
Reach for the stars, even if you have to stand on a cactus. ~Susan Longacre
I have learned the difference between a cactus and a caucus. On a cactus, the pricks are on the outside. ~Morris K. Udall

finally hope to post more photos in the comming week, so look back!

Wednesday, April 12, 2006

The Hindu News Update Service

The Hindu News Update Service

this is great the next INSAT (4C) will be launched from indian launch vehicle (GSLV)... all the best for ISRO !

Insight 7: The hidden value of the mobile operating system

Insight 7: The hidden value of the mobile operating system: "this argument, if the technical differences between operating systems are slight, companies should pay higher regard to the general popularity and general availability of an operating system – including (for example) how widely taught an operating system is in univ"

Sunday, April 02, 2006


nokia site has an interesting mention of phonescoping - taking some stunning closeups with nokia mobile phones. it is about a guy called Tommi Laurinsalo in Finland, who is a bird watcher and has how to's of taking such pictures at:

Saturday, April 01, 2006

mobimol v0.6 and mpatra v0.1

get mobimol v0.6 from

it has a few bug fixes, particulary regarding rendering.

and a new script mparta v0.1 is a pdf viewer, a very simple one though. only displays pure text no formating as yet, and no graphics! get it from

its inspired from one article on codeproject indicating how to extract text from a pdf document, but now i can't get its reference.