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Inside the story of the US defense contractor who leaked hacking tools to Russia

The former boss of a U.S. hacking tools maker was jailed for selling highly sensitive software exploits to a Russian broker. This is how we first learned of his arrest, reported the story, and some of the unanswered questions we still have.

Tech

Samsung shows off new display tech that adds a privacy screen to apps and notifications

The new privacy tech uses different types of pixels to let you block certain apps and notifications from being viewed by others.

Tech

Wearable startup CUDIS launches a new health ring line with an AI-fueled ‘coach’

The wearable incentivizes healthy behavior with points that can be redeemed for health products.

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Kalshi fined a MrBeast editor for insider trading on markets related to the YouTube star

Kalshi fined the MrBeast editor, Artem Kaptur, for over $20,000.

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The public opposition to AI infrastructure is heating up

Public backlash over the data center boom is leading to a variety of draconian policies—including bans on new construction.

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Waymo to begin testing in Chicago and Charlotte

Waymo this week will begin mapping and collecting data in Chicago and Charlotte. The move comes as Waymo announces it is currently operating its robotaxis fully autonomously in 10 US cities.

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Could a vaccine prevent dementia? Shingles shot data only getting stronger.

Latest data hints that benefits seen so far could be underestimates.

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2026 Lexus RZ 550e review: Likable, but it needs improvement

It's not very efficient, and the synthetic gearshifts aren't great, but I liked it?

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RAM now represents 35 percent of bill of materials for HP PCs

RAM represented about 15 to 18 percent of PC costs last quarter, HP said.

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Jimi Hendrix Was a Systems Engineer

Article URL: https://spectrum.ieee.org/jimi-hendrix-systems-engineer Comments URL: https://news.ycombinator.com/item?id=47157224 Points: 3 # Comments: 0

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Attyx – tiny and fast GPU-accelerated terminal emulator written in Zig

Article URL: https://github.com/semos-labs/attyx Comments URL: https://news.ycombinator.com/item?id=47155772 Points: 8 # Comments: 4

Tech

Show HN: I ported Tree-sitter to Go

This started as a hard requirement for my TUI-based editor application, it ended up going in a few different directions. A suite of tools that help with semantic code entities: https://github.com/odvcencio/gts-suite A next-gen version control system

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om

Article URL: https://www.om-language.com/ Comments URL: https://news.ycombinator.com/item?id=47154971 Points: 112 # Comments: 26

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Windows 11 Notepad to support Markdown

Article URL: https://blogs.windows.com/windows-insider/2026/01/21/notepad-and-paint-updates-begin-rolling-out-to-windows-insiders/ Comments URL: https://news.ycombinator.com/item?id=47154399 Points: 32 # Comments: 83

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I asked Claude for 37,500 random names, and it can't stop saying Marcus

Article URL: https://github.com/benjismith/ai-randomness Comments URL: https://news.ycombinator.com/item?id=47153675 Points: 40 # Comments: 32