If the information is poured out as a lecture, barely concealed by some stupid device—“Oh, Captain, do tell me how the antimatter dissimulator works!” and then he does, endlessly—we have what science fiction writers call an Expository Lump. Crafty writers (in any genre) don’t allow Exposition to form Lumps. They break up the information, grind it fine, and make it into bricks to build the story with.