This book covers key areas of science and technology. The contributions by the authors include fixed bed reactor, olive pitscomsol multiphysics, CFD Application, biomass combustion, Burpee protocol, kinaesthetic exercise, Biomechanical models, social networks,social media, intelligent network orchestration, machine learning, optimization algorithms, network performance, floating photovoltaics, solar electricity, water reservoir, change Detection, remote sensing, subpixel mapping, rare-earth doped glass, non-linearity properties, laser transitions, fake news detection technique, political divisions, machine translation, natural language processing, reinforcement combinations, volume fraction, Archimedes principle, microstructure, differential scanning calorimerty, differential thermal analysis, Lorenz model, hydrodynamical systems, homotopy-perturbation method. This book contains various materials suitable for students, researchers and academicians in the field of science and technology.