Nearly 50 years ago, a process for core formation involving percolation of liquid iron through a solid, isotropic silicate matrix was proposed 1. This theory is well developed for the ideal case of a ...

Lunar laser ranging (LLR) to the Apollo retro-reflectors, which features the most long-lasting experiment in testing General Relativity theories, has remained operational over the past four decades.

The wings on modern commercial aircraft are attached to the plane at a slight angle known as a dihedral. This angle allows the plane to achieve the lift it needs to fly, and at the proper angles, ...

Department of Chemistry, Imperial College of Science, Technology and Medicine, London, SW7 2AY, UK Summary: The AM1 and ab initio calculated geometries of Möbius strips formed by imparting one, two or ...