doh spirits june 1991 not a final version sample son echantillon instrument bruit machin truc ki fait biiiiii f(x)=tan x/sin x+1 opposition de phase f-1(x)=7x-3 x=1/2gt^2 cos(2a)=cos^2(a)-1 c=lambda.n angle d'incidence = angle de refraction c1/c2=sin(i1)/sin(i2) fibre optique... diffraction du laser interferences entre ultrasons a travers deux fentes inferieures a lambda vive les vacances!!!! _ Converted with _ Perverter v1.12 _ by KIWI/EFFECT