SortStack #216 — 2027-01-11

By size · Order from shortest to longest.

1. A tournament chess pawn 3.7 cm

   Regulation sets fix the pawn's height relative to the squares so pieces never crowd the board.

2. A domestic cat (body length) 49 cm

   A cat has 32 muscles in each ear, letting it swivel them independently to pinpoint a sound's source.

3. An orca (killer whale) 8 m

   Orcas have distinct dialects passed down through families, essentially regional accents that differ between pods.

4. A yellow school bus 13.7 m

   That specific shade, 'school bus yellow', was chosen in 1939 because it stays visible in dim dawn light.

5. A sperm whale 16 m

   Its head holds the largest brain of any animal that has ever lived, weighing about as much as a small person.

6. The Trans-Siberian Railway (length) 9.3K km

   The longest railway on Earth, a single trip from Moscow to Vladivostok takes about seven days without stopping.

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