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Filtering by: Date issued sim 1988-04 Resource Type Article

The trousers problem revisited

Creator:

Manogue, Corinne A., Copeland, Ed, and Dray, Tevian

Abstract:

Anderson and DeWitt considered the quantization of a massless scalar field in a spacetime whose spacelike hypersurfaces change topology and concluded that the topology change gives rise to infinite particle and energy production. We show here that their calculations are insufficient and that their propagation rule is unphysical. However, our...

Resource Type:

Article
Fungi colonizing redwood in cooling towers: Identities and effects on wood properties

Creator:

Morrell, Jeffrey J. and Smith, Susan M.

Abstract:

Heartwood from coastal redwood [Sequoia sempervirens (D. Don.) Endl.] is very durable and is often used untreated in harsh environments, such as cooling towers of power or chemical processing plants. Wood in this environment is often attacked by soft rot fungi. Some wood users attempt to bolster protection by including...

Resource Type:

Article