" yes he is the pride of our school this child " said the headmaster , "well then ,may you tell us how it works please ?" " sure all you do is press this button and the magma cools down so the volcano doesn't explode " "but how does it work?, what principle ?" Tom looked worried " um , there's this thing inside it that cools it down ? I think water ?" " you think ? aren't you the one who made it ? " , Clair was on her table then when she heard them so she said "it's hydrogen , and the pipes are made from wolfram so that it doesn't melt easily " , the man turned to Clair "and how do you know " " oh! you see I made it two years ago " Tom looked worried and said " what are you talking about I'm the one ho made it , not you !" " if you made the how come you don't know how it works , I think I'm going to believe that girl over there " " but ! she's nothing but a worthless orphan she's flunking the school year how can she make such a project ?" , " I'm only repeating the year because you keep switching our exams, and framed me two years ago " " how dare you accuse me with such crime " then the man want to Clair and said with a smile " my name is John , and I would like to see you'r project for this year , if you don't mined miss ?" Clair looked at him and remembered what the sister said this morning " the names Clair , thanks for believing me " ," as i said before we believe in equality , now to your project !" " yes ,as you see I've found a way to make cars work cleanly, safely , and faster than before ." "now I'm interested!, please , tell me more " "okay!, it works using extremely strong magnets as a replacement of wheels and also on the roads as well as an engine - or for my model a fan - to push it forward" "I see , can you give us a demonstration , please ?" " sure I made this one from a toy car , some magnets and a fan in the back all I have to do is start the magnets " and the little car started floating "then I can control the way it goes by a remote that controls the fan in the back see ." And true to her word it did start moving " with this we can reduce the amount's of gas and other toxic things in the air " .