In which I share something and ask for sharing, too

I recently read a book* in which a character looks at the position of the moon in the night sky and determines the time to be around midnight.  Dear friends, having seen the moon at 10:30 a.m. today,at what would be an equivalent "4 o'clock in the afternoon" position were it the sun, I can firmly assure you that it is a much more complicated way of telling time than merely "the moon is at its apex, it is midnight."   There *are* ways of calculating the time using the moon, but they are that: Calculations.  They need more inputs than what book characters are using.

And now your turn, should you wish to share :  Do you have any Youtube (authortube) channels that you watch for craft chat that do NOT involve showing segments of the author making coffee or walking and pet and/or going about errands?  I like listening to shop talk while puttering about the house in hopes that I will be motivated to work on my books.  Also, if the YouTuber thinks they need to swear constantly to make their points, I am not interested.

Thank you.  You may return to your regularly scheduled programing.
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* This is not the first book in which I have read such a thing