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Acknowledgements: link to Schneier's blog

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@ -268,6 +268,12 @@ Thanks to Barna Zsombor and Ryan Coyler for helping me over IRC with my shaky ph
My notes from Thermal Physics weren't enough to write this; various Wikipedia articles were also quite helpful, most of which were linked in the body of the article. My notes from Thermal Physics weren't enough to write this; various Wikipedia articles were also quite helpful, most of which were linked in the body of the article.
A blog post by Bruce Schneier contained a useful excerpt from his book *Applied Cryptography*⁵ involving setting the minimum energy per computation to kT:
=> https://www.schneier.com/blog/archives/2009/09/the_doghouse_cr.html
I chose a more conservative estimate for T than Schneier did, and a *much* greater source of energy.
## Citations and Footnotes ## Citations and Footnotes
¹ James Massey (1994). "Guessing and entropy" (PDF). Proceedings of 1994 IEEE. International Symposium on Information Theory. IEEE. p. 204. ¹ James Massey (1994). "Guessing and entropy" (PDF). Proceedings of 1994 IEEE. International Symposium on Information Theory. IEEE. p. 204.
@ -277,3 +283,5 @@ My notes from Thermal Physics weren't enough to write this; various Wikipedia ar
³ The MOAC 2 was supposed to be able to consume other sources of energy such as dark matter and dark energy. Unfortunately, Intergalactic Business Machines ran out of funds since all their previous funds, being made of matter, were consumed by the original MOAC. ³ The MOAC 2 was supposed to be able to consume other sources of energy such as dark matter and dark energy. Unfortunately, Intergalactic Business Machines ran out of funds since all their previous funds, being made of matter, were consumed by the original MOAC.
⁴ This is a massive oversimplification; there isn't a single answer to the question "What is the volume of the universe?" Using this speed-of-light approach is one of multiple valid perspectives. The absolute size of the observable universe is much greater due to the way expansion works, but stuffing that into the MOAC's furnace would require moving mass faster than the speed of light. ⁴ This is a massive oversimplification; there isn't a single answer to the question "What is the volume of the universe?" Using this speed-of-light approach is one of multiple valid perspectives. The absolute size of the observable universe is much greater due to the way expansion works, but stuffing that into the MOAC's furnace would require moving mass faster than the speed of light.
⁵ Schneier, Bruce. Applied Cryptography, Second Edition, John Wiley & Sons, 1996.

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@ -336,6 +336,12 @@ My notes from Thermal Physics weren't enough to write this; various Wikipedia
articles were also quite helpful, most of which were linked in the body of the articles were also quite helpful, most of which were linked in the body of the
article. article.
A [blog post](https://www.schneier.com/blog/archives/2009/09/the_doghouse_cr.html) by
Bruce Schneier also contained a useful excerpt from his book *Applied
Cryptography*[^5] involving setting the minimum energy per computation to `kT`. I
chose a more conservative estimate for `T` than Schneier did, and a *much* greater
source of energy.
[^1]: James Massey (1994). "Guessing and entropy" (PDF). Proceedings of 1994 IEEE [^1]: James Massey (1994). "Guessing and entropy" (PDF). Proceedings of 1994 IEEE
International Symposium on Information Theory. IEEE. p. 204. International Symposium on Information Theory. IEEE. p. 204.
@ -352,3 +358,5 @@ article.
approach is one of multiple valid perspectives. The absolute size of the observable approach is one of multiple valid perspectives. The absolute size of the observable
universe is much greater due to the way expansion works, but stuffing that into the universe is much greater due to the way expansion works, but stuffing that into the
MOAC's furnace would require moving mass faster than the speed of light. MOAC's furnace would require moving mass faster than the speed of light.
[^5]: Schneier, Bruce. Applied Cryptography, Second Edition, John Wiley & Sons, 1996.