Kirchhoff’s Analogy between the Kapitza Pendulum Stability and Buckling of a Wavy Beam under Tensile Loading

Ramachandran, R.; Nosonovsky, M. “Kirchhoff’s Analogy between the Kapitza Pendulum Stability and Buckling of a Wavy Beam under Tensile Loading.” Appl. Mech. 2023, 4, 248-253. https://doi.org/10.3390/applmech4010014 Our paper is about a non-trivial analogy between the stabilization of an inverted pendulum… Read More

‘Carrying Water by the House of Eternity’ or Again about Djehutihotep’s tomb painting of “earliest water lubrication”

This famous Ancient Egyptian painting on Pharaoh (more accurately, Nomarch) Djehutihotep’s tomb (c. 1880 BCE) entered many tribology textbooks as possible evidence of the use of lubrication in Ancient Egypt. Engineers are quite enthusiastic, although Egyptologists are much more skeptical…. Read More