科学网

 找回密码
  注册
A clever energy solution
何毓琦 2023-7-15 19:33
I heard the other night on NPR (National Public Radio in the US) a clever solution for our energy problem. This is how it goes: Solar energy farm for electricity supply are developing raqpidly due to declining cost. However, electric energy demand are more intense during evening/night when pe ...
个人分类: S and T|2552 次阅读|没有评论
More about GPT
热度 2 何毓琦 2023-6-25 10:28
I did a bit moreresearch about GPT and learned that GPT is just a language model. It merely predicts what is the more likely next word based on its vast data base and the previous word of the text No reasoning ability were built into it. This explains some of its behavior t ...
个人分类: S and T|2967 次阅读|3 个评论 热度 2
My first experience of using ChatGPT
热度 2 何毓琦 2023-6-20 19:30
By now I believe most reader are aware of the AI software ChatGPT which seems almost intelligent. Here are my experience in using the free version of chat GPT for the first time. Recorded below are my four questions asking ChatGPT folr answers/articles about optimal control and Yu-Chi Ho – my life ...
个人分类: S and T|8802 次阅读|6 个评论 热度 2
Two Basic Ideas of Control Theory That Anyone Can Understand
何毓琦 2023-5-31 04:25
Two Basic Ideas of Control Theory That Anyone Can Understand 1. Averaging Out The Noise =Kalman filter and other estimation schemes Suppose you have the situation: ith Measurement = unknown constant + ith noise, i=1,2,3, . . . How do we go about estimating the unknow ...
个人分类: S and T|2520 次阅读|没有评论
Historical notes and memories over 50+ years by an observer
热度 1 何毓琦 2023-5-11 03:59
The year was 1958, I just returned from an industry job to graduate school. There were two types of computers competing for attention at that time. There was the analog computer type which uses high gain feedback amplifier to perform integration. This makes simulating dynamic models obeying dif ...
个人分类: S and T|4746 次阅读|2 个评论 热度 1
[转载]The Inventor Who Made Two of History’s Big Errors
热度 1 何毓琦 2023-3-23 04:41
The Brilliant Inventor Who Made Two of History’s Biggest Mistakes BySteven Johnson PublishedMarch 15, 2023UpdatedMarch 17, 2023 New York Times To hear more audio stories from publications like The New York Times,&n ...
个人分类: S and T|3345 次阅读|2 个评论 热度 1
The Computer Brain Interface (BCI)
热度 1 何毓琦 2023-3-19 21:21
We are on the verge of being able to realize the well known phrase Ithink therefore I am . In other words, we can will our thought and transforming them to action such as typing out an piece of prose describing the though without any physical actions on our partt. We are gradually ...
个人分类: S and T|2629 次阅读|2 个评论 热度 1
Is chips the new oil?
何毓琦 2023-3-4 21:58
Is Chips the New Oil? https://www.shacknews.com/article/133762/intel-semiconductor-chips-new-oil-gas#:~:text=News-,Intel%20CEO%20says%20CPU%20and%20GPU%20chips%20are%20the%20new,%22the%20next%205%20decades.%22 https://www.google.com/search?client=avast-a-1q=computer+chips+are+the+new+ ...
个人分类: S and T|2430 次阅读|没有评论
Another technology dinosaur event
热度 4 何毓琦 2023-1-28 04:52
I have earlier written that while I consider my self technologically up to date during the 20th century, I am very much behind times on the use of latest technolgy in this new century. The tools I use are Excel spread sheet, Word, and e-mail Outlook and Windows 10 which satisfy my daily need. Recen ...
个人分类: S and T|3194 次阅读|15 个评论 热度 4
[转载]Some good news to come
热度 1 何毓琦 2023-1-15 06:18
How to reverse aging in the future? https://www.cnn.com/2023/01/12/health/reversing-aging-scn-wellness/index.html . Too good to be true?
个人分类: S and T|2172 次阅读|2 个评论 热度 1

Archiver|手机版|科学网 ( 京ICP备07017567号-12 )

GMT+8, 2024-9-20 03:18

Powered by ScienceNet.cn

Copyright © 2007- 中国科学报社

返回顶部