If someone on your holiday list is dying to play Pokémon Go or Jurassic World Live on an augmented reality rig, glasses and headsets can be found costing as little as $64 or as high as $1,700, with ...

A factor is a number which divides into another number, without leaving a remainder. Factors should be whole, positive numbers. Factors always come in pairs. This pair will always multiply together to ...

Abstract: The development of effective defect detection methods for underwater pipelines plays an important role in energy transportation safety. Although high-frequency guided waves provide ...