EXPERIMENTS
Determining the Dependence of the Speed of Sound in Air on the Temperature Based on Properties of Standing Waves
https://doi.org/10.53656/nat2022-2.02
Abstract. Standing waves are a naturally arising phenomenon in many situations where sound waves propagate in an enclosed medium…
NEW APPROACHES
Comets – Part 1
Pencho Markishki
Institute of Astronomy and National Astronomical Observatory - BAS
https://doi.org/10.53656/nat2022-2.03
Abstract. The appearance of a bright comet is one of the most beautiful astronomical phenomena, attracting the attention of professionals and amateur astronomers, as well as the media around the world...
SCIENCE AND SOCIETY
Analogies Between Chemical Reactions and Quality of Workplace Environment
Àngel Berna, Gonzalo Miranda
University of Valencia (Spain)
https://doi.org/10.53656/nat2022-2.04
Abstract. Analogies are useful to deepen understanding of the object of study…
EDUCATION: THEORY AND PRACTICE
Investigation of the Behavior of Conical Piles of Granules and Powder
Dragni Dragnev
Technische Universität München, Germany
https://doi.org/10.53656/nat2022-2.01
Abstract. When a granular material is poured on top of a surface, the formation of a cone-like pile is observed...
FROM THE RESEARCH LABORATORIES
Experimental Determination of the Specific Heat Capacity of Aqueous Licl Solutions as a Function of Temperature and Concentration
Ivo Lozanov, Yavor Yordanov
National high School of Science and Mathematics (Sofia)
https://doi.org/10.53656/nat2022-2.05
Abstract. This project is focused on the experimental determination of the specific heat capacity of aqueous solutions of LiCl with different mass concentrations as a function of temperature...
