Quantum Gases2026-01-211 minarXiv:2601.15080expressHow to Cool Light to Quantum OrderCooling usually brings order: water freezes into ice. But in the quantum world, order takes unexpected forms. Experimenters cooled polaritons — particles that are both light and matter — to near absolute zero.Ka Kit Kelvin Ho·Vladislav Yu. Shishkov·Mohammad Amini·Leonie Teresa Wrathall·Evgeny Mamonov·Darius Urbonas·Ioannis Georgakilas·Tobias Herkenrath·Michael Forster·Ullrich Scherf·Tapio Niemi·Päivi Törmä·Anton V. ZasedatelevAlan GuthAlbert EinsteinAndrei LindeBose-Einstein condensateentropy👍👎☆SimplePopularAdvanced