Quest: A Long Ray's Journey into Light

There's nothing quite like ray tracing of glass spheres to scream out “Computer Graphics!” Unfortunately the YouTube version of this classic is rather fuzzy.

I did work on an Apollo one summer at Ericsson. I thoought it a bit weird at points, but it had a Logo implementation, so I played around with turtle graphics; a fairly natural way of doing graphics for me anyway as I at the time mostly worked on a pen plotter—graphics displays being very expensive and hard to come by.

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