Weather can be as unpredictable as it is fascinating. From the gentle patter of rain to the ferocity of thunderstorms, the ...

Contrails across the sky create a strange shadow on the ground that puzzled an airplane passenger seeing them from the ...

If you get up with the roosters, you may have recently seen a rare sight in the sky for the Central Virginia area: a sun pillar.

A mysterious phenomenon at the center of our galaxy could be the result of a different type of dark matter. Dark matter, the ...

Quantum entanglement is a fundamental phenomenon in nature and one of the most intriguing aspects of quantum mechanics. It describes a correlation between two particles, such that measuring the ...

We read with interest the study by F. Gu et al. (Nature 638, 112–119; 2025), and wonder whether biologists and physicists could learn from each other. Assessing crowd dynamics, particularly the ...

Eye diseases often develop asymptomatically for many years. ICTER scientists have developed the f-ORG technique, which ...

Nonlinear phenomena are phenomena, which, in contrast to a linear system, cannot be explained by a mathematical relationship of proportionality (that is, a linear relationship between two variables).

After hours: March 11 at 6:24:21 PM EDT Loading Chart for OCC ...

Abstract: The theory of the diffraction grating pair is developed by expanding the frequency dependence of the phase shift as far as the quadratic frequency term. The analogy between pulse compression ...