<ul><li>The International Year of Quantum (IYQ) in 2025 features a torch relay called QuanTour, which showcases a small light source involving quantum dots.</li><li>The QuanTour light source is an array of quantum dots that emit single photons when illuminated by a laser.</li><li>The aim of the QuanTour project is to demystify quantum science and focus on its practical applications.</li><li>Researchers at the Cavendish Laboratory in Cambridge are working on quantum networking and quantum sensing using quantum dots.</li></ul>

Passing the torch: The “QuanTour” light source marks the International Year of Quantum

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