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Displaying 35876 - 35900 of 74223

Analysis of Aircraft Impacts into the World Trade Center Towers (Chapters 9-11). Federal Building and Fire Safety Investigation of the World Trade Center Disaster (NIST NCSTAR 1-2B)

December 1, 2005
Author(s)
Steven W. Kirkpatrick, Robert T. Bocchieri, Fahim H. Sadek, Robert S. MacNeill, S Holmes, B D. Peterson, R W. Cilke, C Navarro
The objective of this report was to analyze the aircraft impacts into each of the World Trade Center (WTC) towers to provide the following: (1) estimates of probable damage to structural systems due to aircraft impact, including exterior walls, floor

Characterization System for Embedded Gas Sensor Systems-on-a-Chip

December 1, 2005
Author(s)
Muhammad Y. Afridi, Allen R. Hefner Jr., Colleen E. Hood, Richard E. Cavicchi, Stephen Semancik
A characterization system is presented for evaluating critical functions of a microhotplate-based embedded gas-sensor for system-on-a-chip applications. The system uses a virtual instrument interface to control parts-per-billion (ppb) gas concentration

Chip-Scale Atomic Frequency References: Fabrication and Performance

December 1, 2005
Author(s)
John Kitching, Svenja A. Knappe, Li-Anne Liew, John M. Moreland, Hugh Robinson, Peter D. Schwindt, V Shah, V Gerginov, Leo W. Hollberg
The physics package for a chip-scale atomic frequency reference was constructed and tested. The device has a total volume of 9.5 mm 3, dissipates 75 mW of electrical power at an ambient temperature of 45 °C and has a short-term fractional frequency

Creation of a six-atom Schrodinger cat state

December 1, 2005
Author(s)
Dietrich G. Leibfried, Emanuel H. Knill, Signe Seidelin, Joseph W. Britton, Brad R. Blakestad, J Chiaverini, David Hume, Wayne M. Itano, John D. Jost, C. Langer, R Ozeri, Rainer Reichle, David J. Wineland
Among highly entangled states of multiple quantum systems, Schrödinger cat states are particularly useful. Cat states are equal superpositions of two maximally different quantum states. They are a fundamental resource in fault-tolerant quantum computing
Displaying 35876 - 35900 of 74223
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