Abstract: Spinning electrodynamic tether systems are considered ideal platforms for payload transportation, removal of space debris, artificial gravity, and so on, for they provide a propellantless solution to orbital maneuver and ...

Abstract: Geopolymer is a cementitious material known for its environmental benefits and characteristics comparable to those of conventional ordinary portland cement. Geopolymer concrete (GPC) is a relatively new construction material ...

Abstract: Measuring static or dynamic displacement is often an integral component of evaluating bridge conditions. This article introduces a wireless, low-cost, and high-accuracy smart radar sensor network to measure bridge displacement. ...

Abstract: Acoustic/elastic metasurfaces as a kind of two-dimensional metamaterials are of subwavelength thickness and show remarkable ability of acoustic/elastic wave manipulation. They have potential applications in various fields ...