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1. I am mesmerized by our new robotic vacuum (2019) (dev.to)
67 points by mzehrer 2 hours ago | hide | 34 comments
2. Coronavirus: Nitrogen dioxide emissions drop over Italy (esa.int)
38 points by Tomte 50 minutes ago | hide | 23 comments
3. DefaultApp (tyler.io)
105 points by Amorymeltzer 5 hours ago | hide | 26 comments
4. Concentrichron: A clock and calendar made of concentric rings (twitter.com)
15 points by mindbrix 1 hour ago | hide | 2 comments
5. Timeouts and cancellation for humans (2018) (vorpus.org)
77 points by vthriller 6 hours ago | hide | 14 comments
6. U.S. Government official: Coronavirus vaccine trial starts Monday (apnews.com)
227 points by filleokus 13 hours ago | hide | 137 comments
7. Detection of Airborne Viruses (kth.se)
27 points by adunk 1 hour ago | hide | 2 comments
8. Using JAX, numpy, and optimization techniques to improve separable image filters (bartwronski.com)
59 points by bartwr 7 hours ago | hide | 2 comments
9. Italian hospital saves Covid-19 patients by 3D printing valves (3dprintingmedia.network)
465 points by csnover 12 hours ago | hide | 132 comments
10. A quiet roadside revolution is boosting wildflowers (theguardian.com)
125 points by montalbano 10 hours ago | hide | 17 comments
11. Small-World Experiment (wikipedia.org)
28 points by sturza 5 hours ago | hide | 2 comments
12. Seneca Village Project (columbia.edu)
8 points by smollett 2 hours ago | hide | 1 comment
13. Futhark 0.15.1 (futhark-lang.org)
45 points by Athas 3 hours ago | hide | 2 comments
14. Asm-dom, a minimal WebAssembly virtual DOM to build C++ SPA (mbasso.github.io)
42 points by pjmlp 7 hours ago | hide | 18 comments
15. Ask HN: Are there good self-hosted video conference tools?
23 points by ketzu 2 hours ago | hide | 12 comments
16. One Word Broke C (quelsolaar.com)
104 points by quelsolaar 8 hours ago | hide | 133 comments
17. Vienna Opera opened its archive for free streaming (staatsoperlive.com)
599 points by tosh 17 hours ago | hide | 68 comments
18. Apple fined $1.2B by French antitrust authorities (cnbc.com)
36 points by cj 2 hours ago | hide | 8 comments
19. The case of the missing WAV audio files on the FAT32 SD Card (hanselman.com)
136 points by shanselman 14 hours ago | hide | 50 comments
20. Show HN: Simple Face Recognition Attendance System (github.com)
28 points by natsu90 7 hours ago | hide | 7 comments
21. Tracing the American cemetery from the colonial age to the Gilded Age (laphamsquarterly.org)
18 points by samclemens 6 hours ago | hide | discuss
22. How Netflix uses Druid for realtime insights (netflixtechblog.com)
56 points by uaas 11 hours ago | hide | 23 comments
23. In This Talk (billwadge.wordpress.com)
8 points by rutenspitz 3 hours ago | hide | discuss
24. Washington governor announces shutdown of restaurants, bars (wa.gov)
357 points by cosmic_shame 10 hours ago | hide | 420 comments
25. Finding McAfee: a case study on geoprofiling and imagery analysis (medium.com)
83 points by danso 12 hours ago | hide | 15 comments
26. Activists create a 12.5M block library in Minecraft to bypass censorship (pulse.com.gh)
412 points by vezycash 19 hours ago | hide | 98 comments
27. Snap: Build Your Own Blocks (berkeley.edu)
54 points by DyslexicAtheist 12 hours ago | hide | 13 comments
28. How we launched full-immersion VR arenas and developed our VR games (medium.com)
15 points by thedeepvr 4 hours ago | hide | discuss
29. Show HN: Guten Haiku – mine haiku from text with 80s CLI (github.com)
38 points by supernihil 10 hours ago | hide | 5 comments
30. Show HN: Simulation-based high school physics course notes (landgreen.github.io)
254 points by lilgreenland 16 hours ago | hide | 20 comments

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