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Interval Train-ing

  • Writer: Elise Corbin
    Elise Corbin
  • Dec 22
  • 1 min read
Image source. Not a spoiler.
Image source. Not a spoiler.

It's been forever! Summer courses ended in mid-August, and then I had exactly a week before the next courses started, which I spent a long way away from my laptop. So this is my first break in a while where I get to make some puzzles! Here is a variety puzzle about trains, which was in fact written on a train (the Via Rail/Amtrak Maple Leaf).


I've made a few variety-puzzle-ish grids for this blog before, but this is the first one conceived as a variety puzzle from the start! Its connection to the theme of this blog is a little dubious, but I guess trains fall under engineering, which is of course the E in STEM. (Also, what high school math student hasn't had to calculate whether two trains will crash or not?)


Happy solving, and hopefully I'll be able to write and publish more puzzles in 2026!


PDF (incl. solutions):


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About  
 

Hello! I'm Elise. I'm from Upstate New York, USA, but I live in Toronto. I construct puzzles based on science and technology that I find interesting, and sometimes other stuff as well. I like to think that my February 2023 New York Times debut led to a spike in physics-related google searches, but I have no evidence to back this up. I mostly publish in indie outlets, so if you enjoy my puzzles, please support them! They can and will go away if you don't. :,(

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