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Rotary vs radial aircraft engines, the circular powerplants that changed early aviation

Part two of the Quest for Power series breaks down rotary and radial engines, why circular layouts solved cooling and reliability, and why they also came with nasty tradeoffs. From WWI rotaries to ...
Scientific Research Publishing

Geo-Refined Point Transformer: Coordinate-Aware Excitation and Positional Upsampling for 3D Scene Segmentation ()

The proposed Coordinate-Aware Feature Excitation (CAFE) module and Position-Aware Upsampling (Pos-Up) module both adhere to ...
Reuters

Circular Economy

China's power, energy and clean technology milestones in 2025 China's electricity output and clean energy technology exports scaled record highs in 2025, LNG and coal imports contracted and crude oil ...
Investopedia

Understanding Information Circulars: Key Points for Shareholders

Eric's career includes extensive work in both public and corporate accounting with responsibilities such as preparing and reviewing federal, state, and local tax filings; supporting multinational ...