Laser Pointer Forums - Discuss Laser Pointers | High Power Lasers

Hi all, my name is Davide I'm from Italy, I'm attending university, I'm studing material engineering

when I was 7 my father gave me a beautiful barcode reader modified for projecting a dot, unfortunatly my mother throw it away , now I want to revive my passion in laser and some hours ago I found this forum....
so prepare for my billion questions guys