A strip of wood unearthed during 2001 excavations at the site of the ancient Japanese capital city of Fujiwara-kyo is a far more sophisticated artifact than it appears at first glance. After more than ...

Numberphile revived an ancient multiplication trick—halves and doubles—also called Egyptian or Russian math, where you repeatedly halve one number and double the other. After crossing out rows with ...

Abstract: Recent advancements in convolutional neural network (CNN)-based techniques for remote sensing pansharpening have markedly enhanced image quality. However, conventional convolutional modules ...

You can get the answers to geometry dimensions of several shapes, and you can solve for area, side, perimeter, diagonal, ...

Can good cameras really come in small packages? We think so. Here are our best small mirrorless cameras for fantastic image ...

A 3D shape with all straight edges and flat faces is a polyhedron. Other 3D shapes with least one curved surface are not polyhedra. A 3D shape with regular polygonal faces, meeting at equal angles, is ...