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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.

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Hydrogen maser - Measurement of wall shift with a flexible bulb

Flexible bulb is squeezed to change mean free path of hydrogen atoms, and to change bulb's volume without changing its surface area. Volumes in the different configurations are measured to learn the change in mean free path and calculate wall shift. Various bulb coating materials are described.

Brenner, D.↗