home professional personal hobbies downloads Welcome to my home page! Here you'll find informations about me, about my work and about my research. You'll find also random information of my interest! "Ignorance more frequently begets confidence than does knowledge: it is those who know little, not those who know much, who so positively assert that this or that problem will never be solved by science." Charles Darwin updated Aug 2010, © Denis Andrade denis at astro . iag . usp . br