Australian scientists have developed an electronic device that quickly measures the freshnes of fish. The post Sensor can ...

Skip the messy guesswork, these clever, no-crack egg tests instantly reveal freshness using water, light, sound and even a quick spin. Simple, fun and surprisingly accurate, they help you avoid ...

Abstract: In this paper, a flexible microwave sensor for material dielectric characterization is presented. The sensor is composed of a two-turn complementary spiral resonator (CSR) in coplanar ...