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Journals

Reciprocity Relations in Waveguide Junctions

Author(s)
Dylan F. Williams, Roger Marks
The Lorentz reciprocity condition is applied to junctions composed of reciprocal media which connect uniform but otherwise arbitrary waveguides. An expression

Fire Evacuation by Elevators

Author(s)
J H. Klote, Scott Deal, E. A. Donoghue, Bernard M. Levin, N Groner
There is a rising concern for the safety of persons from fire who cannot travel building emergency exit routes in the same manner or as quickly as expected of

A Tribometer for Measurements in Hostile Environments

Author(s)
Andrew Slifka, J Chaudhuri, R Compos, James D. Siegwarth
A tribometer at the National Institute of Standards and Technology in Boulder, Colorado is used to measure the coefficient of friction and the wear rate for
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