A better description of resonance

Sign up for a free trial of The Great Courses Plus here: http://ow.ly/Dhlu30acnTC I use a flame tube called a Rubens Tube to explain resonance. Watch dancing flames respond to music. The Great Courses Plus is currently available to watch through a web browser to almost anyone in the world and optimized for the US market. The Great Courses Plus is currently working to both optimize the product globally and accept credit card payments globally. Visit my blog here: http://stevemould.com Follow me on twitter here: http://twitter.com/moulds Buy nerdy maths things here: http://mathsgear.co.uk