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A professor at Loyola University New Orleans taught his first virtual class from his courtyard, wearing a bathrobe and sipping from a glass of wine. Faculty at Lafayette College, in Easton, Penn., trained in making document cameras at home using cardboard and rubber bands.

Hamilton College, in Clinton, N.Y., set up drive-up Wi-Fi stations for faculty members whose connections weren’t reliable enough to let them upload material to the internet. And students in a musicology course at Virginia Tech were assigned to create TikTok videos.