Bob Bartizek's 40 x 70-foot Pennsylvania & Western RR in O scale (1:48, three-rail) depicts the PRR in western Pennsylvania.

Leakage through parasitic body diodes in MOSFETs: Unintended current paths can form through transistor body diodes, ...

This new approach to Fluid Mechanics from the gauge-theoretic viewpoint is based on a new formulation proposed in two original papers — Fluid Gauge Theory and Gauge Symmetries in Physical Fields.

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