🌐EnglishEnglishDeutschFrançaisPolskiPortuguês中文EntityQ5656525· pop 5· linked from 10 articlesHardy's paradoxthought experiment in quantum mechanics in which a particle and its antiparticle may interact without annihilating each otherAvailable in 4 languages中文PortuguêsPolskivia Wikidata sitelinks · CC0Connectionsquantum mechanicsEntityWayback MachineEntityCategoriesParadoxesQuantum measurementThought experiments in quantum mechanics