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Why is IPv6 so complicated?
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Show HN: I made a calculator that works over disjoint sets of intervals
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Claude Design
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Category Theory Illustrated – Orders
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Towards trust in Emacs
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Measuring Claude 4.7's tokenizer costs
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All 12 moonwalkers had "lunar hay fever" from dust smelling like gunpowder (2018)
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Spending 3 months coding by hand
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A simplified model of Fil-C
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Rewriting Every Syscall in a Linux Binary at Load Time
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Brunost: The Nynorsk Programming Language
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Isaac Asimov: The Last Question (1956)
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Are the costs of AI agents also rising exponentially? (2025)
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Show HN: Smol machines – subsecond coldstart, portable virtual machines
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Show HN: PanicLock – Close your MacBook lid disable TouchID –> password unlock
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Slop Cop
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Hyperscalers have already outspent most famous US megaprojects
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"cat readme.txt" is not safe if you use iTerm2
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It is incorrect to "normalize" // in HTTP URL paths
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The simple geometry behind any road
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NASA Force
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Landmark ancient-genome study shows surprise acceleration of human evolution
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Middle schooler finds coin from Troy in Berlin
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Casus Belli Engineering
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What the EU Battery Passport Means for Your Devices
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Making Wax Sealed Letters at Scale
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Arc Prize Foundation (YC W26) Is Hiring a Platform Engineer for ARC-AGI-4
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NIST gives up enriching most CVEs
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The Unix executable as a Smalltalk method (2025) [video]
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Introducing: ShaderPad