Johann Westhauser gerettet: Kommentar zu den Kosten - SPIEGEL ONLINE
June 20, 2014 at 10:45:00 AM GMT+2 * - permalink -

- http://www.spiegel.de/kultur/gesellschaft/johann-westhauser-gerettet-kommentar-zu-den-kosten-a-976246.html

The Impossible History of Perpetual Motion
June 17, 2013 at 1:40:13 PM GMT+2 * - permalink -

- http://gizmodo.com/the-impossible-history-of-perpetual-motion-513229953