23:00 HKTnightly since Sat 10 Oct 2026

Night Builds

One thought-provoking build every night at 23:00 Hong Kong time, in any domain: a sharp question, answered with real data or a working model, ready by morning.

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Most frequent: science, 1 of 1 (100%).

The shelf, one slot per night

1 built · 1 night, Sat 10 Oct 2026

Oct 2026

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  1. No.001Latest sciencesimulator

    Aftershock Clock

    QAfter Turkey's 2023 M7.8, how many days until the chance of another M5+ within 250 km fell back to the region's normal rate?

    AAbout 2 years, not a week: the central Omori-Utsu fit (n=208 M4.5+) returns on day 721; well-sampled fits give days 547–871, and thinner fits run to 2,364. From Feb 2025 to Oct 2026 the M4.5+ rate was still 2.3× normal (12 vs 5.2).

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