Those who have watched recorded video lectures for an academic class know how much precious studying time those videos can take up — time that seems to drag on even more if the speaker talks slowly or ...

Math teacher Stacey Roshan creates video lectures that her students watch at home or on mobile devices. Photo by Mike Fritz/ PBS NewsHour Stacey Roshan, a math teacher at the Bullis School in Potomac, ...

There’s a lot of interesting content produced on video these days. Invariably, though, when we post something some comments will appear lamenting that a video isn’t the most efficient way to ...