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High School Student Discovers 1.5M New Astronomical Objects by Developing an AI Algorithm

2 months 1 week ago
For combining machine learning with astronomy, high school senior Matteo Paz won $250,000 in the Regeneron Science Talent Search, reports Smithsonian magazine: The young scientist's tool processed 200 billion data entries from NASA's now-retired Near-Earth Object Wide-field Infrared Survey Explorer (NEOWISE) telescope. His model revealed 1.5 million previously unknown potential celestial bodies.... [H]e worked on an A.I. model that sorted through the raw data in search of tiny changes in infrared radiation, which could indicate the presence of variable objects. Working with a mentor at the Planet Finder Academy at Caltech, Paz eventually flagged 1.5 million potential new objects, accoridng to the article, including supernovas and black holes. And that mentor says other Caltech researchers are using Paz's catalog of potential variable objects to study binary star systems. Thanks to long-time Slashdot reader schwit1 for sharing the article.

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EditorDavid

CA/Browser Forum Votes for 47-Day Cert Durations By 2029

2 months 1 week ago
"Members of the CA/Browser Forum have voted to slash cert lifespans from the current one year to 47 days," reports Computerworld, "placing an added burden on enterprise IT staff who must ensure they are updated." In a move that will likely force IT to much more aggressively use web certificate automation services, the Certification Authority Browser Forum (CA/Browser Forum), a gathering of certificate issuers and suppliers of applications that use certificates, voted [last week] to radically slash the lifespan of the certificates that verify the ownership of sites. The approved changes, which passed overwhelmingly, will be phased in gradually through March 2029, when the certs will only last 47 days. This controversial change has been debated extensively for more than a year. The group's argument is that this will improve web security in various ways, but some have argued that the group's members have a strong alternative incentive, as they will be the ones earning more money due to this acceleration... Although the group voted overwhelmingly to approve the change, with zero "No" votes, not every member agreed with the decision; five members abstained... In roughly one year, on March 15, 2026, the "maximum TLS certificate lifespan shrinks to 200 days. This accommodates a six-month renewal cadence. The DCV reuse period reduces to 200 days," according to the passed ballot. The next year, on March 15, 2027, the "maximum TLS certificate lifespan shrinks to 100 days. This accommodates a three-month renewal cadence. The DCV reuse period reduces to 100 days." And on March 15, 2029, "maximum TLS certificate lifespan shrinks to 47 days. This accommodates a one-month renewal cadence. The DCV reuse period reduces to 10 days." The changes "were primarily pushed by Apple," according to the article, partly to allow more effective reactions to possible changes in cryptography. And Apple also wrote that the shift "reduces the risk of improper validation, the scope of improper validation perpetuation, and the opportunities for misissued certificates to negatively impact the ecosystem and its relying parties." Thanks to Slashdot reader itwbennett for sharing the news.

Read more of this story at Slashdot.

EditorDavid