'Height of Irresponsibility': Inside the Defence Nightmare If China or Russia Secretly Hold UAP Technology

Washington Forum speakers warn that China and Russia may be racing to reverse-engineer UAP technology. Experts label the lack ...
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How cruise ships rotate and dock without tugs, the physics of split engines, pivot points, and bow thrusters

Modern cruise ships can spin in place and walk sideways into port using nothing but their own engines and thrusters. Here's ...
IEEE

Effective Rotate: Learning Rotation-Robust Prototype for Aerial Object Detection

Abstract: Aerial images often depict objects with arbitrary orientations, which pose challenges for conventional object detectors to detect and classify. To address this issue, rotation-equivariant ...
IEEE

Self-Iterated Extracting Wavelet Transform and Its Application to Fault Diagnosis of Rotating Machinery

Abstract: Time–frequency (TF) analysis (TFA) is a valuable tool for capturing nonstationary features in time-varying signals. However, for strongly amplitude-modulated and frequency-modulated (AM–FM) ...