I could have missed them but here are a few I didnt see posted. https://www.youtube.com/watch?v=_cxLfIs051c" data-time=" https://www.youtube.com/watch?v=bsdZQub7QVE" data-time=" https://www.youtube.com/watch?v=Hc1SBrSnRMQ" data-time=" https://www.youtube.com/watch?v=koesW3xMKtY" data-time=" https://www.youtube.com/watch?v=YpvjZ7gO9B0" data-time=" https://www.youtube.com/watch?v=TBcXXfzrqco" data-time=" --- Water+Fall=Radiation.