18. Every rule, however minor, sustains the rhythm of institutional life. Remove one cog and the machinery falters. The haircut policy may appear trivial, but it functions as a psychological reminder ...

Abstract: A new paradigmatic model, only containing a cubic nonlinearity and enabling to describe a continuous transition from Van der Pol’s relaxation to Chua’s chaotic oscillations is proposed. The ...

PITTSBURGH, Oct. 28, 2025 /PRNewswire/ -- "I wanted to create an improved salon chair with added features to increase comfort ...