SortStack #2709 — 2033-11-08

By weight · Order from lightest to heaviest.

  1. An official MLB baseball 145 g

    Every game ball is hand-rubbed with mud from a secret spot on a New Jersey riverbank to take off the factory gloss.

  2. An average adult domestic cat 4.2 kg

    Cats purr at frequencies between 25 and 150 Hz — a range some studies suggest can promote bone and tissue healing.

  3. An adult male western lowland gorilla 160 kg

    Silverbacks are several times stronger than a fit human, yet they eat almost nothing but plants and the occasional termite.

  4. The Eiffel Tower 10.1K t

    The iron grows in summer: heat expands the sun-facing side, leaning the top away from the sun and adding around 15 cm of height.

  5. The Burj Khalifa in Dubai 500K t

    The world's tallest building is tall enough to watch the sunset at the base, ride the elevator up, and watch it set again.

  6. The supertanker Seawise Giant, fully loaded 650K t

    The longest ship ever built could not transit the Suez or Panama canals — or even the English Channel — when fully laden.

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