QC Physics 97 human 42 Humans 36 TK Electrical engineering. Electronics Nuclear engineering 32 Article 31 Thermoelectric equipment 21 male 21 female 20 physical activity 18 adult 17 Performance 16 Quantum optics 16 Electronic equipment 14 Infrared devices 14 Physical activity 12 Silicon 12 controlled study 12 machine learning 12 Photons 11 Energy 10 Machine learning 10 Optical properties 10 Thin films 10 Energy gap 9 III-V semiconductors 9 Male 9 Timing circuits 9 Two-dimensional 9 exercise 9 middle aged 9