I took a class a long time ago that was about contenders for computing on different logical substrates, which might be enabled by active areas of research in th

I took a class a long time ago that was about contenders for computing on different logical substrates, which might be enabled by active areas of research in the somewhat-distant future: https://registrar.princeton.edu/course-offerings/course_details.xml?courseid=010142&term=1112 https://registrar.princeton.edu/course-offerings/course_deta...