何毓琦的个人博客分享 http://blog.sciencenet.cn/u/何毓琦 哈佛(1961-2001) 清华(2001-date)

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Corruption, Favors, and Human Relationships
2024-10-26 03:44
It is not an overstatement that the entire world runs on human relationships - implicit contracts, accepted social behavior, quid pro quo, and yes, corruptions. We do things for family member that we would not do for strangers because family members have done the same thing for us in the past ...
个人分类: 生活点滴|5978 次阅读|2 个评论
Blowing my own horn
2024-10-21 23:10
Nowadays hardly a day goes by wihtout notification by Academia.com or Research Gate that one or both of the following publications of mine were cited by another published paper. Two of my publications: Simple Explanation of the No Free Lunch Theorem (published in 1992) Applied Optima ...
个人分类: 生活点滴|6161 次阅读|5 个评论
[转载]Five early signs of dementia
2024-10-14 20:12
Financial problems Sleep Issues Personality changes Difficulty driving Loss of smell Read more below: https://www.nytimes.com/2024/09/26/well/mind/dementia-signs-symptoms.html?campaign_id=190emc=edit_ufn_20241013instance_id=136752nl=from-the-timesregi_id=11694710se ...
个人分类: 生活点滴|6508 次阅读|没有评论
My physical fitness
热度 1 2024-10-10 21:48
Everyyear in October, our senior retirement community offers physical fitness test for all residents. Records of individual performances in eight categories are kept and is compared with the averages for ones age group as well as with the same for previous years. I just had mine today and found tha ...
个人分类: 生活点滴|6958 次阅读|8 个评论 热度 1
Scams and Fraud Targeting Senior citizens (II)
2024-10-2 21:34
I have written earlier about this topic and my own experience with it https://blog.sciencenet.cn/home.php?mod=spaceuid=1565do=blogid=1446301 Apparently, the sophistication of this type of scam knows no end. Scammer can learn and adapt once you respond (since I while cautious still  ...
个人分类: 生活点滴|6994 次阅读|1 个评论
Another example of inflation over the last 3/4 of a century
2024-9-21 05:24
When I first arrived in the US on 9/1950, the cost of mailing a simple letter is 3 cents. Over the years, the cost of a letter gradually rises to over half a dollar however the speed of letter delivery also increased in the US. Even though not guaranteed, a letter mailed in the morning will general ...
个人分类: 生活点滴|6617 次阅读|没有评论
Best State to Live in and other useful information
2024-9-14 20:30
A recent study ranks Massachusetts as the best state to live in the US as measured b y education, helath care and low crime rate. Having live here for 71 of my 74 years in the US, I definitely agree. My wife and I am glad to have ohosen to remain here in our retirement years with familiar environme ...
个人分类: 生活点滴|7231 次阅读|没有评论
My view of the future of our world
2024-9-5 23:09
This is my view of the future of our world and American society even though I won’t be around to see it happens or not – a bifurcation of our human population and the resulting chaos. I am worried for our children and grandchildren. As it is already becoming apparent, Artificial Intelligence ( ...
个人分类: S&T|7689 次阅读|没有评论

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