Consider the overhead projector was presented as an educational innovation when I was a younger teacher.
@garyackerman yeah I looked at 1950s articles one time and saw that 'felt boards' were an innovation then
QOTO: Question Others to Teach Ourselves An inclusive, Academic Freedom, instance All cultures welcome. Hate speech and harassment strictly forbidden.
@garyackerman yeah I looked at 1950s articles one time and saw that 'felt boards' were an innovation then