Barbed Wire

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Introducing: Season 2 of 30 Animals That Made Us Smarter

How animals make us smarter – we thought you might like to hear our brand new episode. It’s about a robotic arm inspired by an elephant’s trunk.For more, search for 30 Animals That Made Us Smarter wherever you get your podcasts.#30Animals 

Introducing 13 Minutes to the Moon Season 2

Jump on-board a doomed mission to the Moon. Apollo 13: the extraordinary story, told by the people who flew it and saved it. Search for 13 Minutes to the Moon wherever you get your podcasts. #13MinutestotheMoon 

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14.2.1876: Vorläufer des Telefons patentiert
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Alexander Graham Bell ließ den ersten von ihm erfundenen Fernsprechapparat patentieren. Das einfache Telefon übertrug Schwingungen der Stimme elektromagnetisch über Draht - zunächst über zwei Häuser.