Whales
Humpback whales might be heavy, but they’re actually very good swimmers. This is down to a row of warty ridges, called tubercles, on the help the whale to swim faster and change direction more easily.
A scientist called Frank Fish spotted this and worked out a way of adding similar bumps to wind turbine blades. He found it made the turbines go faster when the wind changed direction, creating more power.
KIDS NEWS
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2021-09-12T07:00:00.0000000Z
2021-09-12T07:00:00.0000000Z
https://dailylankadeepa.pressreader.com/article/282986813058212
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