The word SCALE with the letters nested and decreasing in size.

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1. Greg Egan (gregegansf@mathstodon.xyz)'s status on Saturday, 14-Jan-2023 06:27:24 UTC Greg Egan

   When electronics importer Cara Leon goes missing, private investigator Sam Mujrif is hired by her sister to investigate. Cara is 8 times taller than Sam, but evidence soon points to players much smaller than either of them.

   As Sam and his cross-scale colleagues pursue the case, it becomes apparent that Cara’s disappearance is linked to technology with the potential to reshape their whole society, and radically alter the balance of power between the scales.

   https://www.gregegan.net/SCALE/SCALE.html