USA visa information

http://france.usembassy.gov/niv/internships.html

http://france.usembassy.gov/niv_forms.html

Uniform magnetic field

http://www.maths.usyd.edu.au/u/MOW/vectors/vectors-10/v-10-1.html
http://www.maths.usyd.edu.au/u/MOW/vectors/vectors-10/v-10-2.html

http://healpix.jpl.nasa.gov/html/intronode12.htm

Jason McEwen

http://www.jasonmcewen.org/index.html