| 1. | | Iron nitride permanent magnets made with DIY ball mill [video] (youtube.com) |
| 109 points by xqcgrek2 5 months ago | 32 comments |
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| 2. | | Military's UFO-hunting aerial surveillance system detailed in report (twz.com) |
| 109 points by speckx on Nov 16, 2024 | 125 comments |
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| 3. | | How a 16th Century Explorer's Sailing Ship Works (youtube.com) |
| 210 points by fallinditch on Sept 5, 2024 | 62 comments |
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| 4. | | Carvings at Gobekli Tepe may be oldest calendar (tandfonline.com) |
| 150 points by cynicalpeace on Aug 6, 2024 | 36 comments |
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| 5. | | Chicken Egg Production (2019) [video] (youtube.com) |
| 97 points by shpx on March 1, 2024 | 30 comments |
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| 6. | | FM radio wave-based early earthquake detection (2021) (semanticscholar.org) |
| 102 points by 1970-01-01 on Sept 12, 2023 | 51 comments |
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| 7. | | Electrolyzer efficiently converts CO2 into renewable propane fuel (scienceswitch.com) |
| 335 points by conse_lad on Aug 22, 2023 | 329 comments |
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| 8. | | Ball Aerospace Deep Impact's impactor simulation software (2006) (archive.org) |
| 33 points by marcodiego on May 7, 2023 | 16 comments |
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| 9. | | Orbital Mechanics (braeunig.us) |
| 216 points by belter on April 30, 2023 | 59 comments |
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| 10. | | Compact holographic sound fields enable rapid one-step assembly of matter in 3D (science.org) |
| 288 points by taubek on Feb 14, 2023 | 72 comments |
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| 11. | | Ask HN: What's the best lecture series you've seen? |
| 777 points by cauliflower99 on Jan 31, 2023 | 271 comments |
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| 12. | | Nord Stream leaks confirmed as sabotage, Sweden says (reuters.com) |
| 90 points by photochemsyn on Nov 19, 2022 | 303 comments |
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| 13. | | Ask HN: What are some of the best documentaries you've seen? |
| 650 points by rasulkireev on Sept 11, 2022 | 555 comments |
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| 14. | | Superhighway84 – a Usenet-inspired decentralized internet discussion system (xn--gckvb8fzb.com) |
| 175 points by d99kris on Dec 27, 2021 | 78 comments |
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| 15. | | Ask HN: Life Changing Books? |
| 246 points by rookie123 on Dec 18, 2021 | 223 comments |
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| 16. | | Teach Yourself Computer Science (teachyourselfcs.com) |
| 1169 points by JDW1023 on June 21, 2020 | 265 comments |
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