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Ida Blum, Yannick Bendel, Nils Demuth, Patrick Weifenbach, Hendrik Kaiser, Tobias Niewald and Marcus Brabender from TU Darmstadt took second place with 750 euros in prize money. As part of Cosima, they have developed the 'EMKindersicherung' safety device for bottles. Their aim is to prevent small children from coming into contact with cleaning agents or other toxic substances. The safety device is attached to the bottle top using electrothermal actuators and enables access-restricted use via an additional device with an NFC interface. Making bikes smart ...