SortStack #2568 — 2033-06-20

By size · Order from shortest to longest.

1. A common garden ant 5 mm

   Ants can lift objects many times their own weight thanks to their tiny size and the physics of scale.

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. An acoustic guitar 99 cm

   The guitar's hollow body acts as an amplifier, resonating the strings' vibration into the air around it.

5. 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.

6. The CN Tower, Toronto 553 m

   Its glass floor can hold the weight of dozens of moose, yet many visitors still cannot bear to step on it.

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