Rummaging through my father's old magazines, I found a big bunch of early issues of 'Practical Mechanics'. Here is a cover from one dated march 1937. So you see this is not a new idea, just that we have much more technology available to us in this century.
The cover story in this 1937 issue of 'Practical Mechanics' was Profitable Printing at Home. The article is, in part, a review of a small printing press invented by Donald Aspinall. I quote:
In 1922 he built his first machine, found it satisfactory, and put it on the market. It was named the "Adana" -an anagram of the initial letters of the inventor's name ....
This is an update of an earlier version. I seem to give this talk annually, so I figured I should do a bit of work on it and then re-post. Is this an acceptable thing to do on a blog?
A couple of years ago I watched the Paul McCartney 'Back in the US' film of his tour, I was impressed by the incredible collage of digital film, animation and video that was projected behind the stage. Maybe this is typical now at pop concerts. I have heard about VJs, a new breed of nightclub and dance scene entrepreneurs who can construct, in real time, mixed digital video projected to go with the music.
Of course this may be a far cry from standing in front of class to give a 'Powerpoint' presentation, but still it's a performance, and how can we make it work well?