Issues
Articles
Two barrier phenomena
Vleck's retiring presidential address at the Cambridge meeting of the American Physical Society, January 23, 1953
The National Bureau of Standards
An invited address before the American Physical Society, at the Shoreham Hotel, Washington, D.C., May 1, 1953
Books
Basic Methods in Transfer Problems—Radiative Equilibrium and Neutron Diffusion
Proceedings of the 3rd Annual Rochester Conference on Experimental and High‐Energy Nuclear Physics
Letters to the Editor
News and Views
The Astin Case
Statement Approved by APS Council; Some Facts and Figures.
Independent NBS Proposed
National Physical Sciences Laboratories.
National Science Foundation
Graduate Fellowships in Science; Grants in Support of Research.
Air Research
ARDC's Report for 1952.
Scientific Manpower
National Manpower Council Reports; Amendment of Reserve Act Proposed; Scientific Manpower Commission.
Submarine Reactor
Prototype Plant Begins Operation.
Fire Protection for Accelerators
Hazards Discussed by Insurance Group.
Himalayan Cosmic‐Ray Expedition
19,000 Foot Altitude Reached
Miscellany
Journal Notes; Summer Courses; Scholarships; Industry.
Obituaries
We Hear That
Meetings
Brookhaven Conference
MEV Neutron Cross Sections
Ionizing Radiations
Seminar at Evans Signal Lab.
American Physical Society
Southeastern Section Meeting.
AIEE Summer Meeting
At Atlantic City this Month.
Impurity Phenomena
Joint Symposium at Schenectady.
American Physical Society
Rochester Meeting in June.
Fluid Dynamics
APS Division Meeting at Penn State.
Nobel Prize Physicists
To Meet in Germany this Summer.