There's also this recent DIY project: laser confocal microscope which also seems to be a fun build: http://www.gaudi.ch/GaudiLabs/?page_id=652 http://www.gaudi.

There's also this recent DIY project: laser confocal microscope which also seems to be a fun build: http://www.gaudi.ch/GaudiLabs/?page_id=652 http://www.gaudi.ch/GaudiLabs/?page_id=652 Laser confocal microscope seems to be a little more relatable/less abstract (um vs nanometer scale).