Eventually , they came up with a design that has the shape and size of a smartphone which can be put into a pocket .
One brother took an engineering major and the other took a pre-medical track and earned a doctorate degree in pharmaceutical sciences .
Other came up with a design that has the shape and size of a smartphone which can be put into a pocket .
One brother took an engineering major and the other took a pre-medical track and earned a doctorate degree in pharmaceutical sciences .