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https://infogalactic.com/info/St._Andrew%27s_Day
 
Some traditions and customs associated with this day especially in certain countries

I saw a viral video about a navy seal method of taking a nap for 8 minutes which included elevating your legs; the idea being that it makes it easier or better for blood to flow and relaxes you
 
Such elevation can be done by putting the legs at a 90 degree angle on to a chair, bed, or other surface, or greater angles with smaller stacks of pillows
 
I also saw some articles about possible benefits of sleeping this way
 
So, have you tried resting with elevated legs at all or have any thoughts on the practice?

This is what will sustain you in the long-run.
 
In your journey to Wealth - Land - Power.

So someone posted on the topic of "Volvelle" elsewhere and this sparked some further research on a related topic of some "paper computers" that have been created
  
I found a three part Youtube video series, if you search for "pape computer Chris Staecker" they'll come up, otherwise here are links to the three parts and some notes on them:
  
Der Know How Computer (WDR Papiercomputer) - Paper Computers #1 (German)
https://yewtu.be/watch?v=Z27KQiBnkJI
  
Printable verion of the "WDR Papiercomputer" [PDF]:
http://cstaecker.fairfield.edu/~cstaecker/files/machines/filer.php?name=knowhowcomputer.pdf
  
(Note: will put German and translation in a comment if requested)
  
The Little Man Computer - Paper Computers #2
https://yewtu.be/watch?v=t-mOfXhgfQY
  
Downloadable / Printable "Little Man Computer" [PDF]:
https://cstaecker.fairfield.edu/~cstaecker/files/machines/filer.php?name=littlemancomputer.pdf
  
Mr Matt's Instructo Paper Computer: Paper Computers #3
https://yewtu.be/watch?v=ZGnGRkZEvvY
  
Author's website where you can download a manual on how to operate your own "Instructo Paper Computer":
https://cstaecker.fairfield.edu/~cstaecker/machines/instructo.html

https://hackaday.com/2023/11/15/diesel-station-wagon-runs-on-plastic/
 
https://solar.lowtechmagazine.com/2023/11/plastic-waste-in-the-fuel-tank/