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Image “man technologist” by Lisa Thiel from OpenMoji, CC BY 4.0

Image “white question mark” by Selina Lange from OpenMoji, CC BY 4.0

Image “leifiphysik” by Joachim Herz Stiftung from LEIFIPhysik, Copyright © 2020 Joachim Herz Stiftung

Image “Anton” by solocode GmbH , Copyright © solocode GmbH