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  2. Direct energy conversion - Wikipedia

    en.wikipedia.org/wiki/Direct_energy_conversion

    William Barr and Ralph Moir then ran a group which did a series of direct energy conversion experiments through the late 1970s and early 1980s. [6] The first experiments used beams of positives and negatives as fuel, and demonstrated energy capture at a peak efficiency of 65 percent and a minimum efficiency of 50 percent.

  3. Energy conversion efficiency - Wikipedia

    en.wikipedia.org/wiki/Energy_conversion_efficiency

    Energy conversion efficiency depends on the usefulness of the output. All or part of the heat produced from burning a fuel may become rejected waste heat if, for example, work is the desired output from a thermodynamic cycle. Energy converter is an example of an energy transformation.

  4. Mechanical equivalent of heat - Wikipedia

    en.wikipedia.org/wiki/Mechanical_equivalent_of_heat

    Based on his experiments, he published "An Experimental Enquiry Concerning the Source of the Heat which is Excited by Friction", (1798), Philosophical Transactions of the Royal Society p. 102. This scientific paper provided a substantial challenge to established theories of heat and began the 19th century revolution in thermodynamics.

  5. Mu2e - Wikipedia

    en.wikipedia.org/wiki/Mu2e

    Mu2e, or the Muon-to-Electron Conversion Experiment, is a particle physics experiment at Fermilab in the US. [1] The goal of the experiment is to identify physics beyond the Standard Model , namely, the conversion of muons to electrons without the emission of neutrinos , which occurs in a number of theoretical models.

  6. National Ignition Facility - Wikipedia

    en.wikipedia.org/wiki/National_Ignition_Facility

    The fusion energy yield of the 2021 experiment was estimated to be 70% of the laser energy incident on the plasma. This result slightly beat the former record of 67% set by the JET torus in 1997. [ 134 ] [ failed verification ] Taking the energy efficiency of the laser itself into account, the experiment used about 477 MJ of electrical energy ...

  7. Energy transformation - Wikipedia

    en.wikipedia.org/wiki/Energy_transformation

    Fire is an example of energy transformation Energy transformation using Energy Systems Language. Energy transformation, also known as energy conversion, is the process of changing energy from one form to another. [1] In physics, energy is a quantity that provides the capacity to perform work (e.g. lifting an object) or provides heat.

  8. List of fusion experiments - Wikipedia

    en.wikipedia.org/wiki/List_of_fusion_experiments

    It is a pulsed device that depends on a plasma that is not in equilibrium and has the potential for direct conversion of particle energy to electricity. Experiments are ongoing to test relatively new theories to determine if the device has a future.

  9. Vacuum energy - Wikipedia

    en.wikipedia.org/wiki/Vacuum_energy

    Vacuum energy is an underlying background energy that exists in space throughout the entire universe. [1] ... the outcomes of these experiments have shown significant ...