Razer's 8,000Hz Keyboard Won't Make You Faster, But Actuation Will

Razer's new magnetic keyboard leads with an 8,000Hz polling rate, but the real story is the tunable Hall Effect switches. Here's why the headline number won't make you faster and what actually will.

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Razer's 8,000Hz Keyboard Won't Make You Faster, But Actuation Will

Interpolate-Size Lets CSS Animate Height to Auto Without Measuring Anything

interpolate-size and calc-size() finally let CSS transition elements to height: auto with zero JavaScript. Here is how the one-declaration API works, where it earns its keep, and the fallback for older browsers.

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Interpolate-Size Lets CSS Animate Height to Auto Without Measuring Anything

Grok Voice 2.0 at $0.08 a Minute Makes Voice Agents Cheap to Build

xAI's Grok Voice Think Fast 2.0 dropped to $0.08 a minute and 0.7 seconds to first audio, and it reasons while it talks. Here is what that does to the math on building voice agents.

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Grok Voice 2.0 at $0.08 a Minute Makes Voice Agents Cheap to Build

Content-Visibility: Auto Makes Long Pages Faster, Until It Shifts Everything Below

content-visibility: auto lets the browser skip laying out offscreen content, making long pages load and scroll faster with two lines of CSS. The catch is that it reserves space with a guess, so get contain-intrinsic-size right or you trade slow renders for layout shift.

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Content-Visibility: Auto Makes Long Pages Faster, Until It Shifts Everything Below

TurboVec Fits 10M Vectors in 4 GB and Still Beats FAISS

A Rust vector index built on Google's TurboQuant fits a 10-million-document corpus in 4 GB of RAM and searches 3.4x faster than FAISS at 4-bit. Here is what is real, and the two numbers that make you slow down.

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TurboVec Fits 10M Vectors in 4 GB and Still Beats FAISS

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