Do axions exist

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Axions are hypothetical subatomic particles the existence of which was first suggested in the late 1970s. It's been suggested they are one of the possible constituents of matter. The question is: do they exist? • My other YouTube channels: • The Science Fiction Rock Experience (the music show I produce): •    / @sciencefictionrockexperience   • Discover Maths (with Juan Medina): •    / @discovermaths   • Science World (with Emrah Polat): •    / @scienceworld1   • My website: • https://www.daviddarling.info

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