SortStack #3647 — 2036-06-03

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. A large cast-iron skillet 2.5 kg

   Well-seasoned cast iron is essentially a natural nonstick polymer baked onto metal; some American pans have been in daily use since the 1800s.

3. A full-size kitchen refrigerator 135 kg

   Refrigeration changed cuisine more than almost any invention; Einstein even co-patented a fridge with no moving parts in 1930.

4. An upright piano 220 kg

   Inside is a cast-iron plate holding strings at a combined tension of roughly 18 tonnes of pull.

5. An adult male Asian elephant 4 t

   You can tell it from its African cousin by the much smaller ears and the twin domes on its forehead.

6. An adult male orca 5 t

   Orcas are actually the largest species of dolphin, and each pod hunts with dialects and techniques passed down like culture.

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