Cerenkov's latest activity
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Cerenkov replied to the thread High School Contradictions in the Distribution of Gamma-Ray Bursts.Maybe this article would be helpful... -
Cerenkov replied to the thread How would a Machine at the Heart of the World tidally lock the Earth?.To Hornbein and Algr... Yes, this is indeed a fantasy story. Zelazny was noted for his ability to seamlessly blend fantasy with... -
Cerenkov replied to the thread How would a Machine at the Heart of the World tidally lock the Earth?.Yes, that's right Dave. In the story the Earth was tidally-locked to the Sun to give Zelazny what he needed, a world half in darkness... -
Cerenkov posted the thread How would a Machine at the Heart of the World tidally lock the Earth? in Science Fiction and Fantasy Media.https://en.wikipedia.org/wiki/Jack_of_Shadows In Roger Zelazny's 1971 novel Jack of Shadows the Earth is held tidally locked by the... -
Cerenkov replied to the thread High School A Mind-Boggling Number Comparison.Thanks BWV. So is that a 10 followed by 120 zeros or is there more to it than that? -
Cerenkov replied to the thread High School A Mind-Boggling Number Comparison.How many zeros is that, BWV? ❓ -
Cerenkov replied to the thread Graduate Assumptions of Hawking-Penrose 1970 Singularity Theorem.Once again, thank you for your help, your guidance and your instruction, Peter. I really appreciate the time and effort you've put in... -
Cerenkov replied to the thread Graduate Assumptions of Hawking-Penrose 1970 Singularity Theorem.Yes, that's not in dispute here, Peter. Thanks to your guidance I now see what I did. The issue is how you corrected me. Technically... -
Cerenkov replied to the thread Graduate Assumptions of Hawking-Penrose 1970 Singularity Theorem.Now that you've clarified things I can what you mean. But your statement, ' Nobody in the literature actually uses them' was... -
Cerenkov replied to the thread Graduate Assumptions of Hawking-Penrose 1970 Singularity Theorem.With all due respect Peter, I did not make the term semiclassical up. And I used the expression "purely classical" to distinguish... -
Cerenkov replied to the thread Graduate Assumptions of Hawking-Penrose 1970 Singularity Theorem.Apologies for the delay in getting back to you, Peter. But after much thought I think I've whittled my questions down to just... -
Cerenkov replied to the thread Graduate Assumptions of Hawking-Penrose 1970 Singularity Theorem.Well, I can see some reasons, Peter. Because you've mentioned the equation of state three times now, along with explanations of the... -
Cerenkov replied to the thread Graduate Assumptions of Hawking-Penrose 1970 Singularity Theorem.Thank you for clarifying this, Peter. Since the BGV is within the remit of this section I'll return here very soon with my questions... -
Cerenkov replied to the thread Graduate Assumptions of Hawking-Penrose 1970 Singularity Theorem.Thank you, Peter. I think it's worth drawing a line under the issue of the incompatibility of singularity theorem with inflation at... -
Cerenkov replied to the thread Graduate Assumptions of Hawking-Penrose 1970 Singularity Theorem.Thank you Peter. However, I'm floundering a bit here. You could try and explain the symbols and terms if you wanted, but I think I'm...