Quantum effect for powering chips from air without batteries https://sudonull.com/quantum-effect-for-powering-chips-from-air-without-batteries
Scientists have discovered the nonlinear Hall effect in bismuth telluride, allowing microchips to be powered by radio signals. Learn about the technology that will rid sensors of batteries in the 6G era.
NEES/NIS Diagnosis of Kalman Filters under Nonlinearity https://sudonull.com/nees-nis-diagnosis-of-kalman-filters-under-nonlinearity
Comparison of KF, UKF and Particle Filter under Non-Gaussian Noises and Nonlinear Dynamics. NEES and NIS Metrics for Filter Consistency Assessment.
Squeezed light for gravitational wave detection https://sudonull.com/squeezed-light-for-gravitational-wave-detection
Learn how squeezed light reduces quantum noise in LIGO interferometers, increasing sensitivity to black hole mergers. Technical details of PDC and OPO for developers.