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On Thursday technical researcher Eric Lu sparked worldwide excitement and confusion by posting a sequence of 130 digits ...
04/09/2026

On Thursday technical researcher Eric Lu sparked worldwide excitement and confusion by posting a sequence of 130 digits on X (formerly Twitter). The reason for the uproar over some seemingly innocuous numbers lies in the two words that followed them: “divides RSA-260”—a number used for RSA, one of the world’s most popular encryption schemes since its debut nearly a half-century ago.

But did he really do it with just “good old paper and pencil”? https://www.scientificamerican.com/article/whats-the-tech-behind-the-record-breaking-rsa-260-crack/

03/09/2026

Scientists may have finally caught a glimpse of dark matter. The LUX-ZEPLIN (LZ) experiment, nearly a mile underground in the Black Hills in South Dakota, recorded a particle collision that researchers can’t explain. The signal doesn’t quite match what they expected from dark matter, so scientists are urging caution, but after 40 years of searching, this mystery could be the beginning of something spectacular.

To learn more about the frustrating decades-long search for dark matter, read “What if we never find dark matter?” in the upcoming issue of Scientific American.

Credit: NASA, XENON Collaboration, SURF, LZ Collaboration, SNOLAB, PandaiiX Collaboration, Getty Images

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