User:Edgar.bonet

Hi! Let me introduce myself.

My name is Edgar Bonet. I am a French physicist at the Néel Institute in Grenoble, France. I’m specialized in nanomagnetism. Besides physics, I am mainly interested in: I have an account in the French Wikipedia since January 2008, and in the English Wikipedia since August 2010.
 * computer programming, especially:
 * in C, the language I am most comfortable with
 * in JavaScript, mainly to write experimental protocols (that’s right, JavaScript is not just for the Web!)
 * occasionally in C++ (with Qt), PHP or bash
 * photography, including its technical aspects (optics...), analog and pinhole photography
 * Lindy Hop, a social dance performed on swing music.

My contributions
I have been mainly fixing formulas and adding small pieces of data here and there, in articles related to physics and photography:
 * Brillouin and Langevin functions: added continued fraction approximation of L(x), clarified the status of the various approximations of L⁻¹(x)
 * Superparamagnetism: section Effect of a magnetic field rewritten and expanded, including the time dependence of the magnetization
 * Quartz clock: fixed the frequency formula
 * Tuning fork: fixed the frequency formula, now independent of the shape of the cross-section of the prongs
 * Preferred number: fixed and expanded paragraph on ISO film speeds
 * Huygens–Fresnel principle: fixed a couple of mathematical inconsistencies
 * Strehl ratio: gave exact (on axis) formula, clarified that Mahajan’s formula is an approximation
 * Nikon FE: added (own) pictures and more data to the infobox
 * Nikon FG-20: added infobox
 * Nikon FE2: expanded infobox, removed less interesting images
 * Orders of magnitude (capacitance): 11 entries, mostly stray/unintended capacitances
 * Orders of magnitude (luminance): created, 26 entries from 11 references
 * Micromagnetics: reorganized and expanded
 * Atmel AVR instruction set: added section on addressing and specified the addressing modes in the instruction list
 * Serial Peripheral Interface Bus: fixed the example code for bit-banging
 * Fast inverse square root: partial rewrite, making clearer that aliasing a float to an int is just a way to approximate its logarithm
 * Timekeeping on Mars: simplified formulas for Mars date and time, with automatically computed current values.

Links
All these are in French:
 * my user page on Wikipedia(fr)
 * my personal home page, including some pinhole pictures and then some out-of-date stuff
 * my pitures of the Swing events I attended
 * my projects at the LOG, Grenoble’s hackerspace.

TODO list

 * Cleanup and illustrate Micromagnetics.