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錦田打礁的彬竹棚结構

  主力结橋 primary structure: 為中央部份杉木柱 (136枝垂直,共189枝) 及斜撐的杉木柱 加以鋼纜harness在地面 Subsidiary support輔助支撐: 竹枝,達3萬多枝 From 香港採古fb
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分裂極渦 split polar vortex

  5/1/2026 「分裂極渦影響」,鄭明典貼出一張圖說,這是500百帕高度場(線條)和溫度場(底色)。日本北方一個大低壓,這個低壓內部完全是偏低溫的冷空氣(灰色到白色),而且越近中心越冷,這是極渦的特徵,所以這是個分裂極渦! msn Weathernews jp twitter Watchers   HKO 500 hpa chart

OG tech startracker v2 歐極星

  Assembly Bilibili   Printables Github   1.4 kg Payload 4 kg

OpenAstroExplorer

 Intro from cuiv Pretty portable @ 3kg,excluding tripod etc. 5 kg payload. Must try for DIYers. Online Fusion 3D view Shop OAT YouTube channel Github

Chocolate: flavanol and heavy metals

From YouTube: Flavanol Toxicity

JY-27 VHF meter wave radar

 Oct 2025 YouTube   Located near coastal area , GTVC Torres Finol JY-27 radar of the Chinese manufacturer CETC is a fully solid-state and fully coherent long-range early warning system. It is designed and developed to provide early warning information and detect low-observable air targets in so-called “Stealth Technology”. Besides, it provides the early warning information for weapons system as well. The newer one antenna design is clearly influenced by the 1L13 Nebo SV “Box Spring” and 1L119 Nebo SVU. The radiating elements are horizontally polarized. Frequency: 240 - 390 MHz Instrument range: 280 - 390 km Venezuela allegedly can detect stealth F-22 in 2020 Destroyed in 3 Jan 2026 How US jets beat YouTube Geoconfirmed Huawei phone leak? Reference: Baike

Stainless steel flask from Mainland

 After ~ 1 month of use: Black oil/ink appears from inner side. Oil ? Rust? Residue from Manufacturing process, eg polishing? Recycled steel? Heavy metals? Definitely not food grade!!! This quality label QB/T2332-97 means nothing