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Deutsch lernen mit der DW: Videos to learn German
A YouTube channel from broadcaster DW with videos on all kinds of topics to learn German, from beginner to advanced.
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Sound: Doppler Effect
This image shows a fragment of twenty seconds experiment of students, with which the Doppler effect can be observed.
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Faraday cage: Demonstration
This fragment of 35 seconds shows a student standing in a Faraday cage, without any danger of electrocution.
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