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    Backchat is RTHK Radio 3's week-daily current affairs discussion programme, with expert panels and listener participation. It airs every Monday to Friday from 9.05am - 10am (HKT).
    Have your say by calling us on 233 88 266, find us on Facebook - Backchat on RTHK Radio 3, or email backchat@rthk.hk  

    Listen live on Radio 3's homepage - www.rthk.hk/radio/radio3

    最新

    LATEST
    03/02/2026

    HK ranking third in Global AI Competitiveness Index / HKUST's AI weather prediction model / 160,000-year-old stone tools discovered in Henan

    On Tuesday’s programme, we explored Hong Kong’s strong performance in AI fluency, after the city secured a top ranking on this year’s Global AI Competitiveness Index. The SAR claimed the number-three spot in the city-hub rankings, which evaluated 20 countries and 15 leading financial centres on AI capability and maturity, only behind New York and London.
    After the break, we continued with tech and learned about the world’s first AI Deep Diffusion Model for Satellite Data, developed by the Hong Kong University of Science and Technology (HKUST). This innovative model can predict extreme convective storms like including thunderstorms and severe rainstorms up to four hours in advance.
    To wrap up, a biological anthropologist shared insights from a new study suggesting that China may have led a Stone Age technological revolution as early as 160,000 years ago. The research highlights sophisticated stone tools crafted for cutting, piercing, and sawing as evidence of advanced composite  technologies in East Asia far earlier than previously recognised.
    9:05am-9:30am: HK ranking third in Global AI Competitiveness Index
    Speakers:
    Esme Pau, Head of Capital Markets and Strategic Intelligence at CertiK
    William Gazeley, Co-Founder of IRAI Labs
    9:32am-9:45am:  HKUST's AI weather prediction model
    Speaker:
    Su Hui, Climate Change and Extreme Weather Direction Lead of the State Key Laboratory of Climate Resilience for Coastal Cities, Chair Professor at the Department of Civil and Environmental Engineering, The Hong Kong University of Science and Technology
    9:45am-10:00am: 160,000-year-old stone tools discovered in Henan
    Speaker: 
    Michael Rivera, Biological Anthropologist and Lecturer, The University of Hong Kong

    03/02/2026 - 足本 Full (HKT 09:05 - 10:00)

    03/02/2026 - HK ranking third in Global AI Competitiveness Index

    03/02/2026 - HKUST's AI weather prediction model

    03/02/2026 - 160,000-year-old stone tools discovery in Henan

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