Blue­dot fes­ti­val moves into its third year with its unique brand of music, sci­ence and space mashup. There is prob­a­bly no oth­er fes­ti­val like it: music fans can take their fill of sev­er­al stages and sci­ence geeks have a wealth talks and work­shops with experts, although its fair to say most fes­ti­val goers dip into…