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| Joshua Gritzner, Nico Prinz and Elias Günthner present their invention at the regional contest in Düsseldorf | Elias Günthner, Nico Prinz and Joshua Gritzner with their mirror at the state contest "Jugend forscht" (source: Bayer AG) | Nico Prinz, Elias Günthner, Joshua Gritzner and their supervisor Nikolaus Weiler at the state contest |
