Yes, everyone loves springs. But a mass hanging vertically on a spring is a great example of stable equilibrium. Why does this produce stable equilibrium? Let's start with a diagram of a mass hanging ...

Gordon Scott has been an active investor and technical analyst or 20+ years. He is a Chartered Market Technician (CMT). Nash equilibrium is a game theory state where a change in one participant's ...

Active matter comprises systems in which individual components convert stored or ambient energy into mechanical work, leading to self-driven phenomena and spontaneous organisation. This area of ...

There remains a useful relation between diffusion and mobility for a Langevin particle in a periodic medium subject to non-conservative forces. The usual fluctuation—dissipation relation can be easily ...