SortStack #111 — 2026-09-28

By size · Order from shortest to longest.

1. A standard paperclip 3.2 cm

   The familiar looped design, called the Gem clip, was never patented and has barely changed in over a century.

2. A tournament chess pawn 3.7 cm

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

3. A concert grand piano 2.7 m

   A grand piano's strings pull with a combined tension of around 20 tonnes, held by a single cast-iron frame.

4. A great white shark 5.2 m

   Great whites can detect a single drop of blood diluted in 100 litres of water from hundreds of metres away.

5. The Amazon River (length) 6.4K km

   It discharges so much water that it freshens the Atlantic Ocean more than 100 kilometres out from its mouth.

6. The Trans-Canada Highway (length) 7.8K km

   One of the world's longest national roads, it stretches across six time zones from the Atlantic to the Pacific.

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