SortStack #2351 — 2032-11-15

By size · Order from shortest to longest.

1. A black peppercorn 4 mm

   Pepper was once so valuable it was used as currency and accepted to pay rent and taxes in medieval Europe.

2. A grain of rice 7 mm

   Rice feeds more than half the planet, and a single plant can yield thousands of these grains.

3. A skateboard 79 cm

   The kicktail that makes tricks possible was a 1970s accident that turned skating into an aerial sport.

4. A small recreational sailboat 9.4 m

   Modern sails work like vertical wings, generating lift that lets boats sail faster than the wind itself.

5. The Grand Canyon (rim-to-rim width) 29 km

   It is so wide that the cooler north rim and warmer south rim have noticeably different plants and wildlife.

6. 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.

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