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15 sneaky math puzzles hiding inside the Great Pyramid

The Great Pyramid of Giza is often treated as a monument of stone, but it also functions as a monument of numbers. I see at ...

Shelled amoeba crawls like an octopus, shifting tactics on the go

An international team of researchers led by Hokkaido University has characterized the unique mechanics that enable Arcella, a ...
IEEE

WNet: W-Shaped Hierarchical Network for Remote-Sensing Image Change Detection

Abstract: Change detection (CD) is a hot research topic in the remote-sensing (RS) community. With the increasing availability of high-resolution (HR) RS images, there is a growing demand for CD ...
Observer Today

Geometric shapes in nature

Often when describing patterns, they are placed in one of two categories: organic or geometric. Organic designs are ones ...
C&EN

Thermal Stability and Shape Evolution of Tetrahexahedral Au–Pd Core–Shell Nanoparticles with High-Index Facets

† Institute of Theoretical Physics and Astrophysics, Department of Physics, Xiamen University, Xiamen 361005, China ‡ Institute of Pattern Recognition and Intelligent System, Department of Automation, ...
IEEE

Intrinsic shape signatures: A shape descriptor for 3D object recognition

This paper presents a new approach for recognition of 3D objects that are represented as 3D point clouds. We introduce a new 3D shape descriptor called Intrinsic Shape Signature (ISS) to characterize ...
Reuters

Shell mergers chief Greg Gut quit after CEO blocked BP bid, FT says

Report says Shell CEO, CFO opposed BP bid Gut confirms he left Shell in September Shell in June ruled out BP bid, said it was bound by UK rules Shell on Tuesday says it has 'nothing to add' on matter ...