Anybody old enough to remember being taught with an overhead projector and writing on these transparencies?

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image showing Anybody old enough to remember being taught with an overhead projector and writing on these transparencies?

oiJules on September 30th, 2018 at 02:54 UTC »

I'm 17 but we had these in primary school.

jenbanim on September 30th, 2018 at 03:24 UTC »

I had a couple professors use these when I was in college. That was 2-3 years ago.

T1GER678 on September 30th, 2018 at 03:49 UTC »

My school still uses those