Social aspects Technology 3 Information society 2 Inventions 2 Société informatisée 2 Air conditioning 1 Aspect social 1 more ... Communicatie 1 Communication and culture 1 Communication et culture 1 Computacao (aspectos socio-economicos e politicos) 1 Cultuur 1 Drinking water 1 Electric lighting 1 Glass 1 History 1 Information technology 1 Internet 1 Inventors 1 Mirrors 1 Optical instruments 1 Public health 1 Recording and reproducing 1 Refrigeration and refrigerating machinery 1 Sanitary engineering 1 Sound 1 Technological innovations 1 Technologie 1 Technologie de l'information 1 Time measurements 1 less ...