[b]THANK YOU THANK YOU SO MUCH PROFESOR THESE SIMULATIONS WILL BE VERY HELPFUL FOR MY STUDENTS THEY ARE IN JUNIORS HIGH AND THIS KIND OF TOPIC IS VERY ABSTRACT. IM TEACHING THE USE OF MODELS TO EXPLAIN THE CINETIC MODEL OF PARTICLES, FROM NEWTON TO BOLTZMANN. THANK YOU SO MUCH AGAIN I WANNA SEND YOU MY GREETINGS FROM YUCATAN MEXICO. SINCERELY YOURS: PROFESOR G.[/b]