Engineers built E-BAR, a mobile robot designed to physically support the elderly and prevent them from falling as they move around their homes. E-BAR acts as a set of robotic handlebars that follows a ...
Abstract: In this work we present an ultra-wideband (UWB) circular polarized four-element phased linear antenna array operating in the UWB channel 5 – a frequency bandwidth of 500 MHz in the range of ...
Spring Boot 3.5.9 (Java 21) Auth Gateway: JWT validation with Redis-cached JWKS + seamless key rotation, claim→role mapping, Postgres/Flyway audit log, Kafka auth events, full integration tests + ...
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