冬在集市上买了10斤本地小米，比山西沁州黄好吃。话说回来，牌子也不白给，米吃不吃在其次，字儿记牢了——沁人心脾——“沁”字得民心。大米冬只认五常大米，好像吃个大米也要讲仁、义、礼、智、信。卖小米的老头儿兼卖腰带。小镇的集市就这种好，不像商场超市，分门别类固定搭配。小米、腰带，这两种东西一般不会做邻居。老头儿说一口标准普通话，这在遍地乡音的矿区不多见。他打开手机相册给冬看老照片：勋章合影、老兵合影、家庭合影……他说自己年轻时随部队支援过柬埔寨，战斗很激烈，能活着回来实属运气好。老人与冬聊得热络，聊饿了，指使冬去给他买张大饼。在集上卖东西的老人，有着共同的面目：倔强、寡言、木讷、大嗓门，穿戴款式老旧的衣帽和围巾，干什么都不慌不忙。多数情况下，冬专买这些老人种的和养的东西。冬认为他们很可能是最后一代用传统农耕劳作自给的人。他们的子女基本上都到城里去打工上学。
OpenAI has closed another round of funding, totalling $110 billion being newly committed to the maker of ChatGPT, which it says has more than 900 million weekly active users and over 50 million consumer subscribers. Amazon is investing $50 billion and striking a deal that includes plans for custom models and more. Nvidia and SoftBank are each contributing $30 billion, as well, even as the Wall Street Journal notes that Nvidia's previous $100 billion investment plan is "on ice." This marks another massive influx of cash for the company that's now valued at $730 billion, and previously closed a $40 billion round in 2025. At the time, it was th …
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A method using hydrofluorocarbon electrolytes for synthesizing alkanes with monofluorinated structures is described, yielding a pathway for manufacturing lithium-metal batteries able to achieve high energy density as well as operate at low temperature.
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