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@koos
insta, fsq, plazes, facebook???
#web20world
2 days ago
@sixtus
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@koos
@koos
Huch? Dopplereffekt hier?
2 days ago
@sambarix
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@sixtus
@sixtus
Dopplereffekt hat nix mit verdoppeln zu tun, sondern mit Christian Doppler (1803-1853)
2 days ago
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