In addition to localized basis sets, plane-wave basis sets can also be used in quantum-chemical simulations. Typically, a finite number of plane-wave functions are used, below a specific cutoff energy which is chosen for a certain calculation.
Velcro was invented by George de Mestral a Swiss electrical engineer in 1941. This idea of inventing Velcro came to him when one day he returned after a walk from the hills and found cockleburs stuck to his clothes and his dogâs fur.George noticed its natural hook and loop quality and started making a fabric fastener on the same quality.his idea of inventing Velcro came to him when one day he returned after a walk from the hills and found cockleburs stuck to his clothes and his dogâs fur. George noticed its natural hook and loop quality and started making a fabric fastener on the same quality.
Velcro Industries is a privately held worldwide corporation manufacturing consumer and industrial products. Among them is a series of mechanical-based fastening products, including a brand of fabric hook and loop fastener often colloquially referred to by the company name, Velcro.elcro Industries provides fastening solutions for a wide array of industries, including consumer packaged goods, transportation, personal care, military, packaging, construction, apparel, and agriculture. Products of Velcro Industries include: 1  Textile hook and loop fasteners and closures. 2  Plastic hooks.