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

The LLSAW in lithium niobate on stress-free surface reveals rather high attenuation of the order of one dB per wavelength. Calculated resonant characteristics of a long IDT and dispersion curves of ...

A tsunami struck a fjord in East Greenland in 2023, ringing seismometers for nine straight days. A new satellite study ...

Velsera’s technology enables compliant access to sensitive datasets while keeping data within the control of its source ...

This article first proposes the concept, design, and implementation of a kind of amplitude and frequency digitally modulated leaky wave antenna (LWA) for reconfigurable and intelligent radiation. By ...

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 .

Objective Cigarettes are the most harmful and most prevalent tobacco product in the USA. This study examines cross-sectional prevalence and longitudinal pathways of cigarette use among US youth (12–17 ...

Single Source: National Longitudinal Study of Adolescent to Adult (Add) Health Wave VII (U01 Clinical Trial Not Allowed) (RFA-AG-26-001) Grants Home ...

2 Phononic crystals and acoustic metamaterials 2.1 Bragg scattering and one-dimensional PCs Mechanical waves (i.e., elastic and acoustic) can propagate while exhibiting typical behaviors of motion ...

Objective To report on longitudinal tobacco product cessation rates, by product type, among adults (ages 18+ years) in the USA between 2013 and 2019. Methods The Population Assessment of Tobacco and ...