Could you teach computer class without a computer? For Owura Kwadwo Hottish, 33, an information and communications technology teacher in Ghana, it's his only option. At the middle school where he ...

As 21st-century teachers, we are expected to help students master the technological tools they will use in college and the workplace. But in many districts, the one-computer classroom is not extinct.

Classroom learning is mostly associated with the auditory sense. After all, the teacher speaks up from the front and the students listen to what is shared. Yet, one only has to open one's eyes to see ...