The Mountain Shelters are part of the “The Vagar Country House” development project in Belmonte, Portugal. The challenge was to create an object that would evoke the imagery of traditional Shepherds’ ...

For prizewinning puzzle creators, the devilish ideas are in the details. By Siobhan Roberts Friction is a force that opposes the motion of one object relative to another — and it’s always an important ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Ivy Elrod Ivy Elrod is a writer covering home and decor. She has moved 37 ...

Complete this interactive activity to find out more about 3D shapes and then put your knowledge to the test. Cubes have 6 flat faces which are all the same size. Everyday things that have the shape of ...

The Great Pyramid of Giza, the oldest and sole surviving Wonder of the Ancient World, has attracted the interest of philosophers, savants, and travelers for at least four millennia. Some of this ...

Departamento de Física, Universidade de Trás-os-Montes e Alto Douro, Apartado 1013, 5001-801 Vila Real, Portugal, IFIMUP and IN—Institute of Nanoscience and Nanotechnology Departamento de Física da ...