Twenty-two β Thatβs the number of countries represented by the hundreds of calls and emails a team of engineering students at the ΒιΆΉΣ³»΄«Γ½ has received since they designed and delivered a bionic arm to a 6-year-old boy this past July. βWe receive emails daily asking for help,β said Dominique Courbin, a senior studying to earn his degree…