Alexander von Humboldt, Charles Darwin und Ernest Shackleton machten sich auf zu jahrelangen, entbehrungsreichen Forschungsreisen, um spektakuläre, bislang unbekannte Eindrücke zu sammeln. Den Vorreitern der modernen Umweltbeobachtung sollen heute schnellere, zeitgemässe Datensammler folgen, die wichtige Öko-Parameter in Echtzeit und ohne Risiko aufzeichnen. Empa Forschende des «Sustainability Robotics» Labor in Dübendorf entwickeln daher kostengünstige, nachhaltige Sensoren und Fluggeräte,
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