There are urban legends and documented facts about mysterious fuel-free energy production devices witnessed during the last century. In Part 1 of this three-part series, a dozen of them are described along with their salient technical features, and about their known, and suspected, features. It seems that more low-energy nuclear devices in various forms have been demonstrated than previously thought. Thus the missing pieces in the puzzle are completed. Electrical energy-producing LENR devices were demonstrated by Tesla and Moray as early as in the 1920s. Papp demonstrated his noble gas plasma device in 1968. New technical solutions have emerged since then based on phonons, polaritons and charged nanodust particles, as pseudo-particles.
Part 2 (Issue 108) shows the importance of charge screening by real and quasi-particle emergent properties.
Part 3 (Issue 109) shows the historical parallel with the quasi-particle-based semiconductor and the LENR mystery, and describes another possible tectonic change in the future. Finally, the drawbacks and advantages of some inventions, and lines of development, are analyzed based on their physical properties, and compared to each other and outside challengers. According to Feynman, the most important word in physics is “atom.” But the most useful concept may be “quasi-particle.”
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