Scale invariance, the absence of fundamental length or mass scales in a theory’s action, plays a pivotal rˆole in modern cosmology. In global formulations it serves as a custodial symmetry that ...
Rome is famous for its huge flocks of starlings that swerve through the evening sky as if directed by a collective intelligence. While these spectacular displays have fascinated Romans since ancient ...
Breathe. As your lungs expand, air fills 500 million tiny alveoli, each a fraction of a millimeter across. As you exhale, these millions of tiny breaths merge effortlessly through larger and larger ...
One fundamental problem of quantum electrodynamics is the fate of the superheavy atomic nucleus, which is proposed to collapse when the atomic number exceeds certain value. However, this intriguing ...
A group of mathematicians has shown that at critical moments, a symmetry called rotational invariance is a universal property across many physical systems. For more than 50 years, mathematicians have ...
Breathe. As your lungs expand, air fills 500 million tiny alveoli, each a fraction of a millimeter across. As you exhale, these millions of tiny breaths merge effortlessly through larger and larger ...
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