https://padlet.com/briansteffensen/eecocpine6vu Denne væg indholder alt vores viden om elektromagnetisme en-us 2015-11-12 09:59:13 UTC 2017-05-17 02:24:11 UTC hello@padlet.com https://padlet-assets.storage.googleapis.com/portrait/earth.jpg briansteffensen https://padlet.com/briansteffensen/eecocpine6vu/wish/80858944 Hvad ved vi indtil videre?

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