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1. Russia develops guidance modules for air-dropped munitions (UMPK) (arcgis.com) 1 point by prpl 5 months ago | past 2. Ask HN: Why is it not possible to report hacked social media accounts? 1 point by prpl on Dec 27, 2022 | past | 5 comments 3. HyperPhysics (2016) (gsu.edu) 218 points by prpl on Aug 24, 2021 | past | 44 comments 4. Vera Rubin: Super telescope's giant camera spies broccoli (bbc.com) 3 points by prpl on Sept 8, 2020 | past 5. Sensors of world’s largest digital camera snap first 3.2GP images at SLAC (stanford.edu) 2 points by prpl on Sept 8, 2020 | past 6. SpaceX Tests Black Satellite to Reduce “Megaconstellation” Threat to Astronomy (scientificamerican.com) 3 points by prpl on Jan 10, 2020 | past 7. An Astronaut Reared the World’s Highest-Flying Birds (theatlantic.com) 1 point by prpl on Sept 6, 2019 | past

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