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Guide for making a solar balloon.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 14:37, 6 July 2023 |  | 1,275 × 1,650, 7 pages (3.16 MB) | Sophivorus (talk | contribs) | Uploaded a work by Mathew Lippincott from https://publiclab.org/notes/mathew/5-29-2012/solar-hot-air-balloons with UploadWizard |
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