This is a concise reference on scientific concepts and technical devices in Star Trek. Canon facts from the episodes appear as normal text. Italic text denotes annotations and "real-world" information about Star Trek technology. Materials such as duranium and particles such as tetryons are listed under Substances and Particles.
Thanks go to Rick Sternbach for his excellent book Star Trek: The Next Generation Technical Manual, and for useful hints and suggestions in newsgroups. Most of the images in this section are taken from Star Trek: The Next Generation Technical Manual, The Art of Star Trek, Star Trek: The Magazine and the Star Trek Fact Files. Much of the episode information comes from Memory Alpha, several screen caps from TrekCore.