Compared to electric gadgetry, something like a trumpet is a pretty simple contraption, but the way it actually works is super clever when you see it in action. The principle is very straight-forward, but the construction of the actual pieces that re-route your hot air are damn cool to see at work.
![](http://gizmodo.feedsportal.com/c/34976/f/647164/s/2c2a83e3/mf.gif)
Nessun commento:
Posta un commento