yes, ofcourse... but as time passes by. it's just like wondering in thee past when airplanes were'nt created.. they're like man can't fly and now look, we have everything.. well almost. and probably some time in the future a very briliant scientist will creat a time machine and we all can travel back to time, but i see no point in that. y would u go back to ur past, u shouldnt relive them, that's how ife's suppose to be and if u want to fix ur mistakes, there's no point. u wont ever learn from them. also like the buterfly effect, i think if someone goes to the past from like 2050 or from the futre w/e ... it can creat lots of changes and evrything so it's better not to. leve our world the way it is... creat more peace!