where shuld i post

[dudenexdoor1]

guys do know of anyother websites that publish questions from users on science and lets experts answer them?.

[Buenchico]

Try these:
http://www.sciam.com/askexpert_directory.cfm
http://www.newton.dep.anl.gov
http://www.madsci.org/

or select from the links here:
http://sciencepage.org/question.htm

Chris