BusinessToys for Big Boys - Model Cars and Trains with Stirling EnginesTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoBusiness01/14/2014January 14, 2014Today more and more technology is becoming invisible, and we can only see how things works through computer graphics. Hermann Böhm had the idea of showing us what they're missing. In his model cars and trains, you can see the parts moving.https://p.dw.com/p/1Aqa9Advertisement