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 ...

(Medical Xpress)—Visual perception is far more complex and powerful than our experience suggests. Moreover, in attempting to both understand vision and implement it in a computational device, the fact ...

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 ...

New experiments show that common scientific rules can apply to significantly different phenomena operating on vastly different scales. Chin aspires to simulate the impossibly hot conditions that ...

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 ...