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Topological defects are encountered in fields ranging from condensed-matter physics to cosmology. These broken-symmetry objects are intrinsically local, but theoretical work now suggests that ...

Quantum mechanics is full of states that seem to defy ordinary sense, but one of its strangest ideas has usually been built ...

The quantum superposition principle has been tested on a scale as never before in a new study by scientists at the University of Vienna in collaboration with the University of Basel. Hot, complex ...

The physics of the microrealm involves two famous and bizarre concepts: The first is that prior to observation, it is impossible to know with certainty the outcome of a measurement on a particle; ...

Walk on the quantum side: caesium atom in a superposition Is there a limit on how large a quantum superposition can be or can macroscopic objects, such as humans or say cats, also exist in a ...

In human relationships, the question of being a couple or not has a yes-or-no answer: either one is a couple or not. Quantum physics offers an interesting alternative. There, the couples are pairs of ...

Interrelated Superposition and entanglement can be observed independently of the theoretical framework used to explain them. (Courtesy: iStock_Traffic-Analyzer) When a forest loses its trees, it also ...

PHYSICS HAS A problem. In general relativity, time is entwined with space. It is relative, depending on speed or gravity. In quantum mechanics, however, time is an absolute. It is a smooth background ...