This letter considers the dynamics of a limbless, soft-robotic crawler, modeled as a nonlinear wave equation. Nonlinearities correspond to a sliding friction force modeled as an asymmetric signum ...

Around 15 percent of the world's population suffers from tinnitus, a condition which causes someone to hear a sound (such as ringing or buzzing) without any external source.

The most overrated films of the 21st century, from La La Land to Oppenheimer Prepare to be outraged, or prepare to find affirmation in someone else having the same opinion as you: here are 15 of ...