William (Billy) MS Lee is the first friend I made when I arrived in the United States in 1950. We were initiated into the same Chinese Student Fraternity, FF, in 1951. There after we maintain contact over the next 70+ years as our friendship remain s meaningful in our ...
不是没有再碰到过你，而是因为不认识你 许秋雨，2023.7.30 一九二一年匈牙利数学家 Polya 证明了一个人从某地离开后，如果是自由行走的话，此人还会再次回到此地。而其另一种说法就是任何在地球上相逢的两人以后还会在地球上再次相逢。但是，如果到太空去了，就不见得了。这就是随机游走（ Random Walk ） ...
Weekly Headlines (excerpts) 1. Farmers are being paid millions to trap carbon in their soils. Will it actually help the planet? By Gabriel Popkin | Thu, 27 Jul 2023 2. A spectacular superconductor claim is making news. Here’s why experts are doubtful ...
Social and medical professions have long known that human being is a social animal. Except for a very small percent of the human spcies, Long term isolation and solitude are not healthy for the mental and physical survival of a human being. On the other hand, for most of the population, we spent so ...
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把水泥改造成电池的能源存储策略【奇思】
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