Abstract: In this work, we present gigahertz low-loss unidirectional acoustic focusing transducers in thin-film lithium niobate. The design follows the anisotropy of fundamental symmetric (S0) waves ...

The best organic mattresses follow a different approach to sourcing than regular beds, prioritizing materials that have been ...

Aly Lopez is a writer on the sleep team at CNET. She tests, researches and reviews everything sleep-related, from mattresses and bedding to sleep trends and hacks to sleep technology and supplements.