Dean Harrison made the following statement before the Preparedness Subcommittee of the Senate Committee on the Armed Forces. This testimony was given last January 30th in Washington, D.C., during hearings on the manpower question.
The flashsound, a sort of acoustical flashlight, can help the blind person to “see” by ear. In this, the second article on guidance devices for the blind to appear in Physics Today, the approach used by one research group active in the field is described.
The phenomenon of the inelastic deformation of solids has in some respects been an aggravation, yet it has often been put to good use. The following article traces the progress in understanding of plastic flow as a major problem for the structural designer and the physicist alike.
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Particle and Quantum Detectors; Prevention of Deterioration Abstracts; Subject Index to Volume 12 of Bibliography of Technical Reports; Thermistors as Tools in Research and Development; Practical Limits of Speed Speech; New Design of Metal to Ceramic Seals Compared with Former Designs; A Functional Description of the EDVAC; Liquid Metals Handbook.