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A Nerd Cool Miscellanea (paperstack.com)
50 points by dcminter on July 30, 2021 | hide | past | favorite | 6 comments



>Casimir effect >using ‘free’ energy borrowed from nothing

Vacuum energy pressure, like gravity, will bring the two plates together, but pulling them back apart will take energy (again, just like with gravity or even a spring), and so doesn't show much promise as a perpetual motion machine.


I love the word "Miscellanea". Thanks for sharing.


If you like that word you might also enjoy "vade mecum" meaning a handbook from the Latin "go with me"

A term I first encountered in the fictional "A murderer's vade mecum" in one of the Dorothy Sayers detective novels.

https://en.m.wiktionary.org/wiki/vade_mecum


Can anybody see my comments? Does Hacker News shadow ban new accounts?


Your comment was marked dead (until I vouched for it). If a comment is dead, by default people can't see them unless they have "showdead" turned on in their preferences.

Your first two comments are not dead, your three most recent are (were).

I'm not sure why. You might email hn@ycombinator.com


@Finger_Fudge I can see your comments, but they're marked [dead]




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