Bill Atkinson's psychedelic user interface

For the technological context and result:

https://www.folklore.org/Joining_Apple_Computer.html

Still very sad that HyperCard got sidelined and that even its successor, Livecode abandoned the idea of being available to everyone --- though it looks as if folks are still working that:

https://openxtalk.org/

This is off-topic, we are discussing drugs here.