Abstract: Cymbal transducer, as the fifth-generation flextensional transducer designed with a "sandwich" structure, is widely applied in underwater acoustics transducers, accelerometers and ultrasonic ...

Iran may receive up to 50 Russian Su-35 jets by 2027. Such delivery would boost its air power and pose serious regional risks ...

Get ready for ice fishing season with this full gear-prep checklist. Shelters, augers, electronics, lures, rods, reels, safety gear—tune up before first ice.

Quantum computers hold the promise of solving problems in physics, chemistry and computer security that would take existing ...

Portable mesh nebulizers make breathing treatment simpler when life (or symptoms) gets messy. Unlike inhalers that demand ...

Abstract: Simulation and analytical models for the ultrasonic/sonic drill/corer (USDC) are described in this paper. The USDC was developed as a tool for in-situ rock sampling and analysis in support ...