Hello!! It's Joseph

  中國國家天文 唐代僧一行在《大衍历》中进一步提出“五星盈缩历表”，通过数学模型提高计算精度。这里的所谓“盈”就是加速，“缩”就是减速。 “五星盈缩历表”可以理解为在之前“五星入气加减法”的基础上进行再设计的精密数学模型，这也依赖于当时天文观测仪器的进步。其核心是将行星轨道划分为若干区间，标注各区间内行星的平均日行度与盈缩差。然后是修正参数：通过“损益率”（增减速度的比例）和“躔差”（位置偏差）等参数，动态调整行星的实际位置计算。btw, 現今的通勝也繼續沿用此類計算表，但筆者沒提及當中的演進史。 Synodic period: 在《五星占》的那个时代，1度是被分为240分，因此，“日行八分”就是“三十分之一度（中国古度，合0.9856º）”，约为0.03285º，而今测值约为0.03346º。二者相差无几。 (照估計，“分”是用來作記錄，計算，而非現今儀器角度的刻度） Conceptually wrong/misleading here. The literature五星占 refers to synodic period. These contributed to good record keeping, and  Good observation skills. What type of  instruments( before invention of telescope )used are not mentioned 儀象考成 Present day 1/sidereal period= 1/10755.7=0.0335 degree. But the writer did not elucidate how “日行八分” is derived. And how to find sidereal period from synodic period, or vice versa. Sidereal vs synodic period  Formula （ simple circular orbit) : 何勃亮 網站 Nasa factsheet

澳飾嘉Osiza 燈的部份很好 聲控正常 但 Smartphone app  FanLamp Pro 不能用. Lamp control ok. Fan control not working . Is it copycat clone of Alexa? Remote control ( marking FH-FAN-B) 遙控 DZ款  disassembly pics PCB marking: CC04, 13180 但風扇吵到想死！！！ 6x dB 問題 in here Problem found: the motor has 3 lugs(55,55,75) for positioning to the black vertical mount. Only 2 of lugs can fully, flatly sit on black mount. So the Motor is not sitting properly at right angle to mount!!! Btw， the Motor wirings are fragile. No strain relief at all. Easily tear the wires off the solder joint. I guess the proper connector is missing, to save cost can only say, it's 山寨quality. QC label means nothing. Likely the production line just buy parts from unreliable/ changing sources, who just claim the parts are "standard" and compatible. Which is just talking. Just like the fan lamp controller. Which is actually another version with some feature missing. Cause misleading info to customers. Of course dissatisfied  After repai...

Thunder and rain before the typhoon Wipha approach  Satellite images from FY-4B 18/7 00:00 03:00 05:00 09:00 12:00 15:00 18:00 21:00 19 jul 00:00 Reference  Cma cn Hurricanezone   Digital typhoon japan Detail google map from agora japan in JST(UTC+9)

From Czechia A projector lens, double gauss, aka poorman's biotar fb compare Conversion  to M4/3 Radojuva Allphotolenses Take a spring walk Dpreview MFLenses 70mm f1.4 mflenses   Projector lens design Zemax 

  Wiki Battle of Talas Qarluq Turks 葛羅祿 For five days, the mighty armies clashed. When the Qarluq Turks came in on the Arab side several days into the fighting, the Tang army's doom was sealed. Chinese sources imply that the Qarluqs had been fighting for them, but treacherously switched sides midway through the battle. Arab records, on the other hand, indicate that the Qarluqs were already allied with the Abbasids prior to the conflict. The Arab account seems more likely since the Qarluqs suddenly mounted a surprise attack on the Tang formation from the rear. Some modern Chinese writings about the battle still exhibit a sense of outrage at this perceived betrayal by one of the Tang Empire's minority peoples. Whatever the case, the Qarluq attack signaled the beginning of the end for Kao Hsien-chih's army.

From Facebook: Fingers pointing to cell supplier. Rumour or Truth? US CSPC Anker recall  do not specifically trace the failure root cause. Well, I cannot find 9D report online so far... But normally there are 4 areas of failure  人機物法. Online news only "talked" about 物 materials. 沒有 CCC 認證不能上飛機 ？ This is contradictory, 4 out of 5 ( maybe all) anker recall models have CCC mark !!! Line me So where is the common sense? IEC62133-2 test: How safe is your powerbank YouTube   Singtao Now news Romoss  powerbank Btw, Amprius is definitely not any 龍頭公司, which has < 0.5% market share globally. Another recall 安克創新 Anker Tech星球 13jul 2025 羅馬仕 高層跑路   wechat   Fire triangle  

IEEE Github: Lsst LSST-DM  data management 

Weather jp 梅雨情報

2025年5月29日成功發射 此圖中的日期應是較初期時的計劃日期 天问二号主要任务目标是对小行星2016HO3进行探测、取样并返回地球，此后再对主带彗星311P开展科学探测。小行星2016HO3是人类目前发现的地球准卫星之一。天问二号任务工程目标一是突破弱引力天体表面取样、高精度相对自主导航与控制、小推力转移轨道设计等一系列关键技术，二是为小行星起源及演化等前沿科学研究提供探测数据和珍贵样品。科学目标则聚焦于测定小行星和主带彗星的多项物理参数，一是测定小行星和主带彗星的轨道参数、自转参数、形状大小、热辐射特性等物理参数，开展轨道动力学研究；二是开展小行星和主带彗星的形貌、物质组分、内部结构以及可能的喷发物等研究；三是开展样品的实验室分析研究，测定样品物理性质、化学与矿物成分、同位素组成和结构构造，开展小行星和太阳系早期的形成与演化研究。 天問二號的任務時長達到十年左右，是中國至今最長的航天任務。任務一共分為兩大部分，第一部分是探測距離地球一千多萬公里的小行星2016HO3，並在小行星上採樣。專家指，2016HO3保留著太陽系誕生之初的原始訊息，在研究太陽系形成和演化歷史方面有非常高的科學價值。 完成採樣後，天問二號會先返回地球附近，把儲存小行星樣本的返回艙釋放返回地球。整個小行星任務預計需時約兩年半。 之後天問二號會利用地球的引力彈弓效應再次飛向外太空，並用約七年時間前往位於火星和木星軌道之間，小行星帶內的主帶彗星311P。天問二號會探測這個彗星，以協助了解這類小型星體的物質結構、演化機制等。 天问二号会使用多臂协作式小天体附着取样机器人机械系统，将自己固定在小行星表面再执行采样任务，目标是取得100克以上的小行星样品。 在远程测控方面，2024年12月27日，我国在日喀则和长白山启动了两座新的40米射电望远镜，使我国的甚长基线干涉测量（VLBI）网络从“四站一中心”升级到“六站一中心”，等效口径从3200公里扩到3800公里，在X波段的分辨率提高了18%，将为我国的深空探测提供更强的助力。升级后的VLBI网络，首先服务的就是天问二号的太空征程。 Reference  CNSA Stdaily Mydrivers Rthk

FPGA: Max10（10M08SAE144C8G） + adc（MAX19506） Claims to have more channels and storage: Crowdsupply github   Weibo

When was the photo taken? The clock showed 15:48 Sunlight shining down  staircase, casting long shadows  Normally, the elevation angle of the staircase is designed to be around 31 degrees . By using suncalc, the magic moment is around Feb of each year.

 From dhcafe IG : 許多人誤解咖啡的苦味,認為那只是烘焙過度的結果。但其實, 咖啡的苦,更像是一棟從地基到屋頂層層鋪陳的建築。它由各種風味分子構築而成,每一層都有其結構功能與風格表現。如果我們能從宏觀到微觀去感受,就能從舌尖與舌根之間傳來的苦味訊號中,辨識出這杯咖啡的苦,是設計得當,還是結構錯置。 咖啡的苦,其實從生豆階段就已存在。咖啡因是一種直接、尖銳、幾乎無法忽略的感官訊號,就像一棟建築選用的原材料,從一開始就決定了整體的風格走向。**綠原酸(Chlorogenic acids) **則更像是原始的結構鋼材,未經加工時僅有輕微的澀與苦,卻會在烘焙過程中經由熱裂解、重組與排列,轉化為更深沉的風味基礎。當它被適當加熱,它就如彎折與定位過的鋼骨,成為支撐整棟咖啡風味建築的核心框架;若處理不當,它也可能埋下整體風味失衡的隱憂。 真正的工程,從烘焙開始。當溫度升高,綠原酸開始轉化為喹啉類(Quinides),這些分子賦予咖啡一種藥草般的苦感與清涼調性,像是垂直鋼構打下的柱腳,穩固而低調,支撐整體苦味結構的下層。它們不一定討喜,但若缺乏這一層,就如建築失去基礎支撐,容易空洞脆弱。 隨著烘焙進入深層階段,綠原酸會進一步裂解,生成苯基吲哚 (Phenylindanes),這是咖啡中最具「骨感」的苦味來源。它們彷彿構成鋼骨架間的橫向樑與對角撐桿,穩定地交織成堅固的骨架系統,並將前述的喹啉苦味明確框定在味覺結構中。這類苦味常集中於舌根與喉部,具有黏附性與延續性,就像一根埋得深的基樁,安靜卻存在感強烈。 到了風味建築的中段,我們會感受到**黑褐素(Melanoidins) ** 的登場。這些經由 Maillard 反應生成的大分子,如同灌漿的樓板與牆體,提供空間厚度與支撐質量。不僅帶來甜中帶苦的層次感,還能產生鹹感與回韻,使整體風味不再僅有骨架,而是有實感、有重量的品飲體驗。 若烘焙溫度控制不當、時間過長,風味外觀就會被**吡嗪類 (Pyrazines) **覆蓋——這些焦香苦味如同外牆清水模的表層處理,適當時能提供堅果、可可等熟香,替建築加上質感與設計語彙。但過量時,它們會覆蓋原有結構,讓所有層次都被煙燻味與碳化感所掩蓋,像是油漆太厚,掩蓋了原本的設計細節,反而成為一種負擔。 真正讓這棟「苦味建築」具有人性與可親感的,是最後的細節收尾。**內酯類(Lacto...

 From IMCCE: Reference: SkyBOT

Kashmir  Post 1962 Indiatoday 22 April 2035 massacre in Indian- admistered Kashmir swarajyamag Aljazeera On April 22, 2025, in the pristine hills of Pahalgam, Jammu and Kashmir—once a symbol of the Valley’s blooming tourism industry—an act of horror unfolded that should have shocked the world’s conscience. Masked terrorists, armed and methodical, lined up a group of Indian tourists, demanded their identification, and began executing them one by one. Survivors recounted chilling details: the assailants asked names, demanded proof of religion, asked them to recite Islamic prayers and in some cases, forced victims to remove their clothes to identify whether they were circumcised—a crude test to differentiate Hindus from Muslims. Those who failed the test were shot at point-blank range. The result: 26 dead. All of them Hindus, with one victim being a Shia Muslim. And yet, as global media rushed to report the attack, the coverage offered not clarity, but camouflage. What should have bee...

  Blog   Simple filter coffee recipe : 25 ppm General Hardness (as CaCO₃) from Calcium Chloride 15 ppm General Hardness (as CaCO₃) from Calcium Sulfate 10 ppm Carbonate Hardness from Baking Soda Making the Concentrate: For 1 liter of concentrate, mix: CaCl₂: 0.37 g CaSO₄: 0.26 g NaHCO₃: 0.17 g Using the Concentrate: For 0.5 L of brew water Add 50 mL of concentrate to 450 mL of pure water. Water calculator  

  Batch 3 preorder $1220

From IMCCE newsletter : 20 mar 09:01:30.18 UTC

播影日期 12/4/2025 雲南咖啡 14:18 - 22:24 楊鴻簡  普洱市思茅区南屏镇大开河村 野鸭塘河谷 片区大鸭塘小组 老樹寨 Lao xu zhai 曼歇壩村 Manxieba village Torch coffee CCTV Bilibili  

 Here's the answer, with Chinese stocks: Predicted return: Biggest risk Bull and bear case Unknowns and final note: Tariff: