Page 755 - Skylight

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"Gifts of wandering ice" updates on Mondays and Fridays

Paypal no longer works in my country, so I can't get money from Ko-fi, Gumroad, ComicAd, and Patreon (found a temporaty solution through Payoneer, no idea how long it will hold, though). Until something changes for the better, I'll have to go with replacements.
I made a page on Boosty. It accepts Paypal and all cards.
For a one-time donation like Ko-fi, just buy this post (no registration needed).
To get an ebook, buy one of these posts (the downloads are inside): Cold ObsidianGWI1GWI2Ice gift
For monthly support, subscribe to my Boosty page. Everything works the same as on Patreon.

Page 755 - Skylight
November 26, 2021

A skylight, Alisa? A light tube, to be precise (a simple device for distributing sunlight underground).
Had that thing above your head been built for this very purpose? Who knows...

Did you know that the practice of playing music to the callers on hold was created by a factory owner who discovered that a loose wire in his factory's phone lines made the building a giant receiver? The broadcast from a close radio station was transmitted through the wire and played when calls were put on hold (wiki link). Alisa doesn't know that but she knows a thing or two about antennas and stuff that can replace them. Like wires in tubes.

+ I added a new puzzle (a difficult one!) to the collection. Enjoy :)
By the way, what do you think of my puzzles? Which one is your favourite? Which one is too difficult / too easy? Is there a particular picture you'd like to see as a puzzle? Let me know :)