SortStack #2183 — 2032-05-31

By size · Order from shortest to longest.

1. A television remote control 14 cm

   Most remotes talk to the TV with invisible infrared light, the same band of energy you feel as warmth.

2. A Brachiosaurus (length) 22 m

   It held its neck high like a giraffe, possibly needing a heart of enormous power to pump blood up to its brain.

3. A Boeing 737 airliner 34 m

   The 737 is the best-selling jet airliner in history, with one taking off somewhere on Earth every few seconds.

4. The Washington Monument 165 m

   Look closely and the stone changes shade partway up, marking where construction paused for over 20 years.

5. A marathon course 42.2 km

   The odd distance was fixed in 1908 so the London race could start at Windsor Castle and finish before the royal box.

6. The Kiel Canal, Germany 98 km

   The world's busiest artificial waterway, it lets ships skip the long, stormy voyage around Denmark.

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