Shanas biedrs

11:08: Ko tikai neizdomaa, lai slaistus stimuleetu apguut ziniibas :)

http://britneyspears.ac/lasers.htm

Ipashi man patiik http://britneyspears.ac/physics/basics/basics.htm bilde ar "Conduction band" un "Valence band" - pat studentam tagad buus skaidrs, kas ir kas :)