Note on damping.

README.md

@@ -2,7 +2,7 @@
 
 Settling a discussion from the pub. Yes, you can extract energy from an infinite source of energy. That's allowed.
 
-In [this video](demo.webm) I am modulating the spring constant.
+In [this video](demo.webm) I am modulating the spring constant. The environment is damped, so I definitely could extract energy.
 
 ```
 python main.py