| 2026-04-19 | What might be found at the end of a rainbow |
| 2025-08-02 | Device featured in Newton's "Opticks" |
| 2023-10-29 | Rainbow creator |
| 2021-08-02 | Glass that refracts light |
| 2021-02-01 | Light beam splitter |
| 2019-11-21 | Raindrop in the sunlight, e.g. |
| 2018-10-22 | Glass that makes a rainbow |
| 2018-06-30 | Certain decorative paperweight |
| 2017-11-27 | Cover image on Pink Floyd's "The Dark Side of the Moon" |
| 2017-03-15 | Light beam splitter |
| 2016-07-06 | Light beam splitter |
| 2016-05-12 | Object depicted on the cover of Pink Floyd's "The Dark Side of the Moon" |
| 2015-12-12 | Light shower? |
| 2015-06-11 | Light splitter |
| 2015-01-11 | Beam splitter |
| 2014-08-26 | Light bender |
| 2014-08-08 | Optical separator |
| 2014-03-25 | Rainbow maker |
| 2011-05-29 | Light reflector |
| 2010-03-24 | Spectrum-forming solid |
| 2009-02-16 | Light refractor |
| 2006-09-25 | Light refractor |
| 2005-02-19 | Periscope part |
| 2002-06-11 | Spectrum creator |
| 2001-08-24 | Rainbow maker |
| 2000-08-22 | Rainbow maker |
| 2000-03-27 | Light-refracting crystal |
| 2000-01-26 | Spectrum maker |
| 1997-12-28 | Geometrical solid |
| 1997-12-09 | Color separator |
| 1996-11-03 | Chandelier pendant |
| 1994-08-21 | Geometrical solid |