The dactyl clubs act as a phononic shield, filtering high-frequency stress waves and preventing harmful vibrations from ...

The mantis shrimp's club uses a built-in vibration shield that filters out damaging shock waves to enable it to strike with bullet-like force without breaking.

If there are no shear stresses present, there is no fluid deformation ... etc.). Friction is usually important in these flows because there is a resistance to relative motion: when one layer of fluid ...