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
Polymer-bonded explosive Polymer-bonded explosive A polymer-bonded explosive, also called PBX or plastic-bonded explosive, is an explosive material in which explosive powder is bound together in a matrix using small quantities (typically 5–10% by weight) of a synthetic polymer. PBXs are normally used for explosive materials that are not easily melted into a casting, or are otherwise difficult to form. PBX was first developed in 1952 in Los Alamos National Laboratory, as RDX embedded in polystyrene with dioctyl phthalate plasticizer. HMX compositions with teflon-based binders were developed in 1960s and 1970s for gun shells and for Apollo Lunar Surface Experiments Package (ALSEP) seismic