The widely used plastic polyethylene terephthalate (PET) can be depolymerized by reacting it with sodium hydroxide (NaOH) under strong mechanical impact from metal spheres in a ball mill. This type of ...

Avi Wigderson, an award-winning computer scientist and mathematician, gave a lecture on “randomness” at Stony Brook ...

Abstract: The forced vibration on the surface of permanent magnet synchronous motor (PMSM) is generated by radial electromagnetic force and it is the major source of motor noise. Efficient and ...