3Qs: Could circuits’ face-​​lift mean faster, smaller phones?

North­eastern asso­ciate pro­fessor of elec­trical and com­puter engi­neering Nian Sun has devel­oped a method for power effi­ciently tuning the induc­tors of inductor – capac­itor tank cir­cuits widely used in cell phones and other radio-​​frequency devices allowing a much large tun­able fre­quency range, a feat that has eluded sci­en­tists for decades.

3Qs: Can you hear me now?

AT&T Inc. has pro­posed buying T-​​Mobile USA for $39 bil­lion, a merger that would create the nation’s largest U.S. wire­less car­rier. What would this devel­op­ment mean for con­sumers and the industry? Fareena Sultan, a pro­fessor of mar­keting and the Robert Mor­rison Fellow in North­eastern University’s Col­lege of Busi­ness Admin­is­tra­tion, assesses the impact of the poten­tial deal.