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Physicists Observe Strange Quantum Rotation Effect That Defies Intuition

By Helmholtz-Zentrum Dresden-Rossendorfmay May 17, 2026 “Quantities such as energy, momentum, and angular momentum are governed by conservation laws, meaning they cannot be created or destroyed in a closed system. Instead, they can only be transferred or converted into other forms. Although angular momentum is commonly associated with spinning objects like bicycles or carousels, it … Read more

Atoms vibrate on circular paths—with an unexpected twist

by Simon Schmitt, Helmholtz Association of German Research Centres edited by Lisa Lock, reviewed by Robert Egan “Conserved quantities such as energy, momentum, and angular momentum determine the fundamental laws of nature. In a closed system, these quantities are always conserved: they cannot be created or destroyed, only transformed or transferred. While angular momentum is familiar in everyday … Read more