# Why can’t you hybridize between a microscopic and macroscopic APM system? # Why can’t you hybridize between a microscopic and macroscopic APM system [Web URL for this note](http://notes.benjaminreinhardt.com/Why+can’t+you+hybridize+between+a+microscopic+and+macroscopic+APM+system) [Comment on this note](http://via.hypothes.is/http://notes.benjaminreinhardt.com/Why+can’t+you+hybridize+between+a+microscopic+and+macroscopic+APM+system)