[Solved] Discuss the economic, political, and social implications of migration for both sending and receiving countries. Specimen Slide: A thin glass plate on which specimens are placed for examination under a microscope. Microscope: An instrument used to see objects that are too small for the naked eye, expanding our understanding of microscopic worlds. Condenser: A device or unit used to condense a substance from its gaseous to liquid state, commonly found in HVAC systems, refrigeration, and laboratory apparatus. Iris: The colored part of the eye that controls the size of the pupil and the amount of light reaching the retina.