Abstract: In-liquid wave attenuation is the major factor that limits the resolution of acoustic wave biosensors. Existing acoustic wave devices rely on shear mode operation to reduce the mechanical ...

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Abstract: As a kind of nondestructive testing (NDT) method, shear-horizontal (SH)-guided wave detection technology is widely used on an electromagnetic acoustic transducer (EMAT). Although ...

Grass trimmers are designed to keep lawn edges looking neat, but only the best can tidy and trim hard-to-reach grass without hassle. The worst we’ve tested leave behind straggly grass and stubborn ...