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Trinity Physicists Uncover New Way to Turn Light into Usable Energy Breakthrough Links Photon Behaviour with Heat-Engine Physics Physicists at Trinity College Dublin say fresh insights into how light behaves could open a new pathway towards tackling one of science's oldest problems: converting heat into usable energy . Their theoretical breakthrough, now set for experimental testing , may shape the design of specialized devices capable of capturing more energy from sunlight — as well as from lamps and LEDs — and converting it into practical work. The research has been published in Physical Review A . More physics and breakthrough science news How Confined Light Changes Energy Behaviour It focuses on what happens when photons , the particles of light, are confined within microscopic optical structures . Under these conditions, light can undergo a form of condensation, causing photons to act collectively rather than independently , concentrating energy into a narrow, highly inten...

Rethinking Carnot: Scientists Break Power-Efficiency Limits in Thermodynamics Revolutionizing Thermodynamic Principles Overcoming the Limitations of the Carnot Engine Revolutionizing long-standing principles of thermodynamics, a recent study in Physical Review Letters suggests that a heat engine could theoretically be engineered to reach maximum power output while nearing Carnot efficiency. The Carnot Heat Engine: A Theoretical Foundation The Carnot heat engine is a theoretical thermodynamic system that harness heat energy from two temperature reservoirs — one hot and one cold — to perform mechanical work. The engine operates by extracting heat from the hot reservoir, converting a portion into mechanical work and expelling the remaining heat to the cold reservoir. This process follow the thermodynamic principles of the Carnot cycle. In an ideal scenario, the Carnot engine would achieve perfect reversibility and operate at maximum efficiency. However, real-world heat engines are inher...