(Phys.org) -- Mechanical energy is all around us, whether in the form of a vehicle's vibrations, ocean waves, or vibrating train tracks. However, much of this energy is irregular and oscillatory - for ...

Nudge something away from where it was at rest, and often it will push back. And then overshoot. From atoms to bridges to wheeled luggage, much of the world is in simple harmonic motion Yesterday my ...

Oscillating motion can quickly destroy even over-sized bearings. Understanding and treating the problem, rather than the symptoms, is the cure. Grease both lubricates and keeps contaminants out of ...