It focuses on creating and refuting or supporting theories that explain observed phenomena. Quantum tunneling is central to physical phenomena involved in superlattices. Utopian socialism had little to offer in terms of a systematic theory of economic phenomena. Parapsychology is the study of paranormal psychic phenomena, including ESP. Researchers themselves may be subject to psychological phenomena. Comte circles around an explanation of the origin of scientific phenomena. It is an acceptable idealization used in constructing mathematical models of certain natural phenomena. Tornadoes are among the most violent known meteorological phenomena. Its spatiotemporal variations lead to various measurable solar phenomena. They are associated with different types of surface phenomena. The agency is responsible for the investigation into the unexplained phenomena of Area X. Gen. Stubblebine was convinced of the reality of a wide variety of psychic phenomena. Transits of Venus are among the rarest of predictable astronomical phenomena. Ancient China had a long tradition of observing celestial phenomena. Thorne tried to explore the theoretical ridge between the two phenomena.