1. Blue sky – Red sunset Yu Weiran(33) 1A3 2. Aim When the sky is not cloudy, it is blue in colour. When the sun is setting, it is red. Why is this so? 3. Equipments A…
Introduction We searched for new forms of education of young generation in the field of natural and technical sciences within the scope of the APVV (Slovak Research and Development…
Introduction Enormous development of the applications of IR: in medicine, biology, chemistry, techniques and in material sciences. IR - basis of many new fields, e.g. nuclear…