Chichén Itzá, Mexico — At the spring and fall equinoxes, the setting sun casts serpent-like shadows along the northern stairs of El Castillo, or “the castle.” Built more than a thousand years ago by ...

Archaeologists working in a tunnel beneath Teotihuacan's Pyramid of the Sun have unearthed two caches of artifacts that may have been meant to consecrate the massive building's construction around a.d ...

During Egypt’s pyramid age, a well-connected man named Wahtye died and was laid to rest in the vast royal cemetery that now occupies the desert west of modern Cairo. His colorfully decorated tomb, ...

Abstract: Although convolutional neural networks (CNNs) have achieved great success in computer vision, this work investigates a simpler, convolution-free backbone network use-fid for many dense ...

The story of the highly skilled workers who helped build Egypt’s Great Pyramid is emerging from a papyrus cache unearthed at the world’s oldest harbor On a summer afternoon around 4,600 years ago, ...

Abstract: Sharding can significantly improve the blockchain scalability, by dividing nodes into small groups called shards that can handle transactions in parallel. However, all existing sharding ...

Solitaire is one of the most played games of all time, and when a Windows Update deletes it, you know lots of people will be mad. Besides rolling back to the previous build, you can opt to run the ...

Remix 3D Winterscapes is another festive Windows theme from Microsoft that boasts 14 3D snowy scenes. Lastly, there's the Snow Sculptures theme, featuring more than a dozen high-definition wallpapers ...