Notes concerning “Opacity holograms”

• Archival transparencies 2014-06-05 (updated 2014-06-29) (7 minutes)
• Quadratic opacity holograms 2015-09-03 (7 minutes)
• Opacity holograms 2016-08-16 (8 minutes)
• Rosetta opacity hologram 2016-09-05 (8 minutes)
• Compressed sensing microscope 2016-10-06 (7 minutes)