When Carlo Diy throws out a question to his high school entrepreneurship and marketing students, he steels himself for an uncomfortable few moments ahead. âIt's just crickets,â says Diy, a second-year teacher at Durham Public Schools in North Carolina. âThat's been really challenging for me and, I know, for pretty much all other teachers during remote learning.â Diyâs district, which only recently resumed in-person learning for high school students, doesnât require that cameras are turned on, a policy he supports but which leaves him feeling cut off from his clas...