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Topic: Levitation Bibliography Section: Blowing Polymer Bubbles in an Acoustic Levitator Table of Contents to this Topic |
| NASA, In a proposed manufacturing process, small gas-filled polymer shells would be made by injecting gas directly into acoustically levitated prepolymer drops. In contrast to free-fall methods that allow only a few seconds for bubble formation, the new process would allow sufficient time for the precise control of the shell geometry. |
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