The Weekly Filet brings you the five best links of the week, every Friday. Making sense of the big issues of our time (with a healthy dose of serendipity and nerdiness). Brought to you by journalist David Bauer. Trawling the web for hidden gems since 2011.
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What Is the Geometry of the Universe?

What Is the Geometry of the Universe?

Some of my favourite stories are those that answer questions I didn’t even know one could ask. Fairly heavy stuff here, but with nice, very helpful illustrations. So next time you need a conversation starter that has nothing to do with coronavirus whatsoever, try this: «Just as life in the two-dimensional torus was like living in an infinite two-dimensional array of identical rectangular rooms, life in the three-dimensional torus is like living in an infinite three-dimensional array of identical cubic rooms. You’ll see infinitely many copies of yourself.»

Published in Weekly Filet #297