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Physics

Report

An Assessment of the U.S. and Chinese Industrial Bases in Quantum Technology

This report presents a flexible and repeatable set of metrics for assessing a nation's industrial base in quantum technology, and applies those metrics to the U.S. and Chinese quantum industrial bases.

Feb 2, 2022
Report

Commercial and Military Applications of Quantum Technology

There are three main categories of quantum technology: quantum sensing, quantum communication, and quantum computing. How—and when—might these technologies affect national security? And which countries lead in developing them?

Oct 28, 2021
Periodical

RAND Review: January-February 2019

This issue spotlights (1) research on how faith-based organizations promote health and well-being in underserved communities and (2) the Pardee RAND Graduate School's new approach to policy and training the next generation of policy experts.

Jan 7, 2019
Blog

Science Met Art in Early Data Visualization at RAND

Ivan Finkle, a computer scientist at RAND from 1957 to 1968, used a plotter printer to make Lissajous figures. He fed equations into the computer to give the coordinates of each point. The printer photographed the result and compiled the lines into artful shapes.

Jan 4, 2019
Report

The Cosmos on a Shoestring: Small Spacecraft for Space and Earth Science

Small spacecraft have become popular for a number of reasons, most prominently the needs to reduce overall cost, be built more quickly, and spread mission risks. Despite the risks, however, small spacecraft fulfill important roles in earth science, astrophysics, space physics, and planetary science. NASA's current generation of small spacecraft is capable of impressive levels of performance.

Jan 1, 1998
Journal Article

Progress in Navigation-Grade IFOG Performance

In this paper we report on further advances in navigation-grade IFOG technology achieved at Litton.

Nov 1, 1996
Journal Article

Nd:MgO:LiNbO(3) Continuous-Wave Laser Pumped by a Laser Diode

Diode-pumped laser oscillation was achieved in Nd:MgO:LiNbO3.

Mar 1, 1988
Journal Article

MgO:LiNbO(3) Single-Crystal Fiber with Magnesium-Ion In-Diffused Cladding

A Mg-ion in-diffusion process was applied to form an optical guiding structure in LiNbO(3) single-crystal fibers.

Nov 1, 1987
Journal Article

Miniature CW and Active Internally Q-switched Nd:MgO:LiNbO3lasers

We report a 10 mW threshold miniature device in which internal Q-switching of a single Nd:MgO:LiNbO3 crystal is achieved.

Feb 1, 1987
Journal Article

Nd:MgO:LiNbO(3) Spectroscopy and Laser Devices

Laser oscillation in Nd:MgO:LiNbO3 has been demonstrated.

Jan 1, 1986
Report

RAND data base of Soviet high-current particle-beam R&D

Describes an automated database that was established under the RAND Project "Analysis and Comparison of U.S./USSR Technology." The database includes information extracted from some 90 Soviet technical journals specializing in physics, engineering, a...

Jan 1, 1982
Report

The polity of discussion: Bagehot's Physics and Politics revisited in the nuclear age

Applies to our own age Walter Bagehot's mid-Victorian views on the quality of "animated moderation" and the concept he defined as "a polity of discussion." Bagehot's general theme is familiar: free and open discussion is good; secret action by uncha...

Jan 1, 1980
Report

Physics and slavery: the relative cost of calories for slave infants and their mothers

Uses physics to analyze breast-feeding as part of an energy transfer process to demonstrate that the cost per calorie of suckling infants is greater than that of feeding adults. Takes exception to David's and Temin's criticism of [Time on the Cross] ...

Jan 1, 1979
Report

Maxwell's Equations in a Rotating Reference Frame.

Using the methods of general relativity, Schiff in 1939 derived the vector form of Maxwell's equations in a rotating coordinate system. This paper shows that these equations may also be derived classically. 12 pp. Ref. (AR)...

Jan 1, 1970
Report

Emission Rates in Thermionic Diodes.

The derivation of a new expression for the free area function for translation of absorbed particles in the study of the surface physics of thermionic diode electrodes. A relatively new theory involves direct energy conversion through utilization of ...

Jan 1, 1969
Report

Reflections on the Concept of Life.

A discussion of the mental aspects of life as they relate to biological phenomena and the laws of physics. The concepts introduced here arise from the theory that mental phenomena are essential in human life, that all aspects of them penetrate all f...

Jan 1, 1969
Report

Stochastic Representation of Nearly-Gaussian, Nonlinear Processes.

A detailed discussion illustrating the potential of the stochastic representation in statistical physics problems. The use of polynomial functionals of the white noise process is shown for the treatment of certain nonlinear random processes. It is ...

Jan 1, 1969
Report

Energy Transfer in Particle-Surface Interactions in Hypervelocity Flight: Commentary and Bibliography

This study provides a comprehensive review of particle-surface interaction research, plus a bibliography containing over 250 entries, many of which are annotated in detail.

Jan 1, 1967
Report

The thermodynamics of the zirconia/zirconium-oxygen vapor system

Part of a continuing study of the complex problems found in the physics of reentry bodies. Zirconia is the eighth of a series of ablative materials investigated by mathematical techniques. This study reports the thermodynamic investigation of zirconi...

Jan 1, 1966
Journal Article

Reply by Authors to R. W. Porter and A. B. Cambel

The authors respond to Comment on 'Magnetohydrodynamic-hypersonic viscous and inviscid flow near the stagnation point of a blunt body,'

Jan 1, 1966

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