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Ancient mystery: The 4,000-year-old hexagonal pyramid unearthed

A huge 4,000-year-old Bronze Age hexagonal pyramidal structure has been discovered in Kazakhstan, which is apparently the first pyramidal structure ever discovered on the Eurasian steppes.

Scientists create a hexagonal diamond that could be even harder than the real thing

To misquote a famous song, "Diamonds are industry's best friend." Cubic diamond is the hardest mineral on Earth and is used in everything from precision cutting tools to high-performance ...
Scientific American

Here’s How to Make Flexagons—Folded Strips of Paper with Strange and Surprising Properties

Editor’s Note: Published in 1956, this article proved so popular that it served as the inspiration for Martin Gardner’s legendary Scientific American column Mathematical Games. Read more in our ...
Smithsonian Magazine

First City in the New World?

The amphitheater served as the ceremonial heart of a thriving city 4,600 years ago. George Steinmetz Why Did They Leave the Coast? Fishermen today ply Peru's coast in bull-rush boats as they have for ...
IEEE

GraphFPN: Graph Feature Pyramid Network for Object Detection

Abstract: Feature pyramids have been proven powerful in image understanding tasks that require multi-scale features. State-of-the-art methods for multi-scale feature learning focus on performing ...
IEEE

Dynamic Feature Pyramid Networks for Detection

Abstract: Feature Pyramid Network (FPN) has been a generic feature extractor in computer vision tasks, which utilizes multi-level features to generate discriminative pyramidal representations. However ...