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PHZPaedagogische Hochschule Zentralschweiz (German: Pedagogical University of Central Switzerland; Lucerne, Switzerland)
PHzPetahertz (10^15 Hertz)
PHZPeople in the Hazard Zone (natural disaster management)
References in periodicals archive ?
Such a device can work at 1 petahertz, while the processor of today's computer runs slightly faster than at 3 gigahertz.
With the help of new computational techniques brought about by refinements in both hardware and software, don't be surprised to hear of petahertz ([10.
ATTOCO provides also a major step in the development of lightwave (nano-)electronics, which may push the frontiers of electronics from multi-gigahertz to petahertz frequencies.