A little grated ginger can go a long way, but it can be hard to transform this spice’s knobby shape and fibrous texture into aromatic shreds without the right tool. The best ginger graters are sharp ...

A. Žáček and V. Petržílka have recorded observations of radial and torsional vibrations of annular quartz plates cut perpendicular to the optical axis and have found that, with radial oscillations, ...