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Ultrasonic transducers are incredible, with them you can detect distances, as well as levitate and peer through objects. They can emit and receive ultrasonic soundwaves (typically above 18khz) and ...

Chicago police have begun video-recording lineups under a new state law that aims to curb any possible bias in this iconic evidence-gathering technique that goes back generations. Under the change, ...

(Nanowerk Spotlight) Perovskite materials have attracted great attention in the fields of optoelectronics due to their significant optoelectronic properties. So far, the applications of perovskite ...