History of engineering and technology 33 Technology: general issues 31 Research & information: general 12 human 10 Humans 8 article 8 Efficiency 7 History of engineering & technology 7 Performance 7 Aerodynamic configurations 5 Research and information: general 5 Spatial configuration 5 female 5 male 5 Aero-dynamic performance 4 Machine learning 4 Micro air vehicle (MAV) 4 Monte Carlo methods 4 Network configuration 4 Terrestrial laser scanner 4 Topology 4 adult 4 clinical article 4 controlled study 4 5G mobile communication systems 3 Aerodynamic drag 3 Aerodynamics 3 Aerodynamics performance 3 Article 3 Calculations 3