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How Rain Wears Down Europe's Wind Turbines

The tips of wind turbine blades can reach speeds of 360 km/h.

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In the app: the whole story at your level, listening, the quiz and the word cards.

The same story at six levels

How the first sentence reads at every level, from A1 to C2.

  1. A1

    AIRE is a group studying wind turbines.

  2. A2

    A wind turbine makes electricity from wind.

  3. B1

    The tips of wind turbine blades can reach speeds of 360 km/h.

  4. B2

    The tips of wind turbine blades can reach speeds of 360 km/h.

  5. C1

    The tips of wind turbine blades can reach speeds of 360 km/h, causing raindrops to gradually erode their leading edges and cut power output.

  6. C2

    When the tip of a wind turbine blade hits 360 km/h, an ordinary raindrop ceases to be benign.

Key words

Words from the B1 text, with their meaning.

blade
the flat, wide part of a machine that turns to move air or water
gradually
slowly, over a long period of time
erosion
the slow damage to a surface caused by wind, water, or weather
output
the amount of energy or goods produced by a machine or person
estimate
to guess the size, cost, or amount of something using the information you have
uncertainty
a situation in which something is not known or not sure

Rewritten with AI from facts reported by Horizon, the EU Research and Innovation Magazine. Read the original for the full report.

Read it at your level

In the app: the whole story at your level, listening, the quiz and the word cards.

Read the whole story in the app
Download on the App Store Get it on Google Play