Unusual types of gramophone records that appears when the record is played and viewed at from a certain angle. Additionally, alongside a standard vinyl release, the soundtrack for "" was made available on a holographic record that displays an image of the "Millennium Falcon" on one side and a TIE fighter on the other, both spinning at the speed of the record. The deluxe vinyl edition of Rush's "2112" features a hologram of a spinning Red Star of the Federation. All three of these were produced by Tristan Duke for his studio Infinity Light Science. Unusual types of gramophone records The overwhelming majority of records
IUPAC polymer nomenclature written in italic font. Non-linear polymers and copolymers, and polymer assemblies are named using the italicized qualifiers in Table 2. The qualifier, such as "branch", is used as a prefix (P) when naming a (co)polymer, or as a connective (C), e.g., "comb", between two polymer names. In place of the monomer name used in source-based nomenclature, structure-based nomenclature uses that of the "preferred constitutional repeating unit" (CRU). It can be determined as follows: Polymers that are not made up of regular repetitions of a single CRU are called irregular polymers. For these, each constitutional unit (CU) is separated by a