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A parallel-plate capacitor with capacitance C, whose plates have area A and separation distance d, is connected to a resistor R and a battery of voltage V. The current starts to flow at t = 0. What is the displacement current between the capacitor plates at time t? From the properties of the capacitor, what is the corresponding real current?
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In 1653, the French philosopher and scientist Blaise Pascal published "Treatise on the Equilibrium of Liquids," which discussed the principles of static fluids. A static fluid is a fluid that is not in motion. When a fluid is not flowing, we say that the fluid is in static equilibrium. If the fluid is water, we say it is in hydrostatic equilibrium. For a fluid in static equilibrium, the net force on any part of the fluid must be zero; otherwise, the fluid will start to flow. Pascal...
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Pascal's experimentally proven observations—that a change in pressure applied to an enclosed fluid is transmitted undiminished throughout the fluid and to the walls of its container—provide the foundations for hydraulics, one of the most important developments in modern mechanical technology.
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Machines are complex structures consisting of movable, pin-connected multi-force members that work together to transmit forces. One example of a machine is the cutting plier, which is used to cut wires by applying forces to its handles. When equal and opposite forces are exerted on the handles of the cutting plier, they cause the cutting edges to come together and apply equal and opposite reaction forces on the wire, which are greater than the applied forces.
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The future of computing beyond Moore's Law.

John Shalf1

  • 1Department of Computer Science, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA 94720, USA.

Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences
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PubMed
Summary

Moore's Law, which drove electronics progress for 50 years, is ending as transistors reach atomic limits. Future high-performance computing will rely on new strategies beyond historical scaling.

Keywords:
Moore’s Lawcomputinghigh-performance computinglithographymicroelectronicspost-CMOS

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Area of Science:

  • Computer Science
  • Materials Science
  • Technology Forecasting

Background:

  • Moore's Law has historically driven exponential growth in digital electronics performance.
  • Silicon lithography advancements enabled transistor miniaturization, underpinning Moore's Law.
  • Transistors approaching atomic scale and rising fabrication costs signal the end of this era.

Purpose of the Study:

  • To provide an updated outlook on post-exascale computing systems.
  • To identify challenges in continuing computational performance scaling.
  • To explore alternative strategies for future computing advancements.

Main Methods:

  • Analysis of current technology roadmaps.
  • Review of historical performance improvement trends.
  • Discussion of emerging opportunities and strategies for computing scaling.

Main Results:

  • The classical technological driver of Moore's Law is failing and expected to flatten by 2025.
  • Continued scaling of exascale machine successors faces significant challenges.
  • New approaches are necessary to sustain computing performance improvements.

Conclusions:

  • The era of Moore's Law is concluding, necessitating a paradigm shift in high-performance computing.
  • Future computing advancements will depend on innovative strategies beyond traditional scaling.
  • Exploring diverse opportunities is crucial for the evolution of post-exascale systems.