However, none of the particles are transported along a longitudinal wave. Instead, they move backwards and forwards between compressions as the wave is transmitted through the medium .

A novel time-domain wave propagator is introduced. A two-dimensional (2-D) finite-difference time-domain (FDTD) algorithm is used to analyze ground wave propagation characteristics. Assuming an ...

Syllabus: The NTA has put the official JEE Main 2026 Syllabus online on their website: jeemain.nta.nic.in. If you're planning ...

where E is the total energy of the system, i, j and k denote the atoms, rij is the distance between pairs adjoining atoms i and j, Vij is the bonding energy, bij is an empirical bond-order term, Vatt ...

This work presents an extension of the recently developed finite-difference time-domain (FDTD) technique for modeling electromagnetic wave interactions with bianisotropic (BI) media, known as BI-FDTD, ...

What’s the difference between a heat warning, watch and wave? by: Kamy Smelser Posted: Jun 24, 2025 / 03:57 PM CDT Updated: Jun 24, 2025 / 03:58 PM CDT ...

In a new study, researchers demonstrate long-term, non-invasive monitoring of blood sodium levels using a system that combines optoacoustic detection with terahertz spectroscopy. The paper is ...

What is a heat advisory? A heat advisory is typically issued within 12 to 24 hours when the heat index value is expected to reach between 96 degrees and 104 degrees for two consecutive hours ...

In areas of Bergen, Passaic, Union, Hudson, and Essex counties, covered by the NY Office, the criteria was not listed on the NWS website, but archived criteria shows a heat advisory is issued when ...