The Roman Empire defines its borders. Hadrian's Wall in Britain and the approximately 550-kilometer-long Limes in Germania are imposing security systems against unwanted immigrants and hostile attacks. Author: ZDF/Terra X/ Story House Productions/ Sigrun Laste/ Jürgen Rehberg, André Götzmann/ Oliv
14,205 kilometres from Berlin, storms rage across the Antarctic Peninsula at speeds of up to 250 kilometres per hour. Perched on the northern tip, the German Antarctic Receiving Station GARS O'Higgins, operated by the German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt; DLR) has defie
You should already know that velocity-time graphs look like this... and how we can use them to map out a journey. If you’re unsure, you may want to watch this video first...In this video we’re going to look at the area under these graphs and what they represent. Let’s start by looking at a simple v
You don't see it, and you don't feel it: radiation. Nevertheless, humans are always exposed to radiation. Shielding makes sense. Natural radioactive substances in soils and rocks emit radiation. And it comes not only from the earth, but also from heaven. The higher, the stronger the cosmic rays. I
+++ Update +++ Rosetta's lander Philae is safely on the surface of Comet 67P/Churyumov-Gerasimenko, as these first two CIVA images confirm. One of the lander's three feet can be seen in the foreground. DLR's Rosetta special http://www.dlr.de/en/rosetta ------------ After a 10-year journey of some
