top stories
Hacker News (31 Jul 2019)
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LightSail 2 Spacecraft Successfully Demonstrates Flight by Light
637 points • 144 comments • jul 31, 2019
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A Raspberry Pi-powered live train station sign
633 points • 141 comments • jul 31, 2019
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Advertising Is a Cancer on Society
620 points • 529 comments • jul 31, 2019
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Equifax removed the $125 claim payout option after millions submitted claims
571 points • 416 comments • jul 31, 2019
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Filling hospitals with art reduces patient stress, anxiety and pain
501 points • 143 comments • jul 31, 2019
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Tree planting: Where can I do it and which type is best?
294 points • 205 comments • jul 31, 2019
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Kriegspiel
288 points • 88 comments • jul 31, 2019
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Tokyo's audiophile venues (2016)
257 points • 76 comments • jul 31, 2019
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Launch HN: Hatchways (YC S19) – Internships Instead of Interviews
253 points • 74 comments • jul 31, 2019
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A Brief Guide to a Few Algebraic Structures
253 points • 42 comments • jul 31, 2019