Astronuc's latest activity

It's the end of the year and once again I wish to thank the mentors and admins for their stedfast commitment to the PF cause and for...

Not in my case. That has caused some confusion for some doctors and radiologists. My ascending colon is on the right side looking...

Dear Robert and family, please accept my condolences. Paul's contributions to PF are appreciated, and the pleasure at reading and...

Good afternoon, This is not Paul, but rather his son Robert. I am very sad to write here that my dad passed away on Saturday...

The music teacher gave my math workbook to my class teacher who then had a talk with me after class. I promised not to do math during...

I received a similar message in 4th grade. I was told to show my work, i.e., write down steps, or write numbers when carrying tens...

I deeply respect people who are engaged in self-education. Nevertheless the problem of self-education is as follows. A person reads...

Thought this part was interesting- even this early no pop III stars:

https://www.cfa.harvard.edu/news/new-theory-may-explain-mysterious-little-red-dots-early-universe I was thinking about Greg's question...

Remember the red dots? There was talk of them being a candidate for Z up to 20, PBH, AGNs earliest galaxies possibly. I cannot find...

William and Elizebeth Friedman were the greatest code breaking couple of all time.

I heard an interesting story about Elizebeth Smith Friedman. She and her husband were among a few cryptoanalysts during the early 20th...

We have many threads on AI, which are mostly AI/LLM, e.g,. ChatGPT, Claude, etc. It is important to draw a distinction between AI/LLM...

It has to do with the resolution of the telescope optical system: collecting sufficient light and focusing that light onto a camera...

Copying the text did not capture the superscript. It has been corrected