It is well-known that Pythagoras’ ancient Greek equation for right triangles: a2+ b2= c2 , is older than ancient Greece. We also know that in Khufu’s pyramid the height equals the radius of a circle ...

Abstract: We present RAPPIDS: a novel collision checking and planning algorithm for multicopters that is capable of quickly finding local collision-free trajectories given a single depth image from an ...

The world around us is inherently three-dimensional, yet we often represent it on two-dimensional surfaces. Understanding three-dimensional figures (also known as solids) and their properties is ...

The Great Pyramid of Giza is without question the most famous building of the ancient world. Completed around 2560 BC during the reign of Pharaoh Khufu, this enigmatic monument is a central feature in ...

Rectangular prisms are polygons with an two identical rectangle end sections and four identical rectangular faces along the length. When the faces of the prism are all at right-angles to each other, ...

The Step Pyramid rises taller than a 20‑story building on the edge of Egypt’s desert plateau, about 15 miles south of the modern sprawl of Giza. Built roughly 4,650 years ago, it was the first ...

1 College of Information Science and Technology, Nanjing Forestry University, Nanjing, China 2 Electronic Information Department, Jiangsu JITRI Intelligent Sensing Technology Co., Ltd., Nantong, ...

A pyramid is a polyhedron with a base that can be any polygon, and whose other faces are typically triangles that meet at a single vertex, known as the apex. Calculating the volume of a pyramid is an ...