Moving some 1,200 MIT subjects to a remote teaching and learning model, launched today, has been less like flipping a switch and more like building the switch itself — with whatever was on hand. In short, it’s a very MIT kind of problem. In late February, before the coronavirus altered daily life and work in the U.S., Meghan Perdue, a digital learning lab fellow in Open Learning and an instructor in the School of Humanities, Arts and Social Sciences, noticed some rumblings on the horizon: Universities in Asia were switching…