Ejs Open Source Faraday and Lenz Magnetic Induction Model Java Applet
remixing from http://www.phy.ntnu.edu.tw/ntnujava/index.php?topic=687.0 Faraday's law of induction (magnet moving in/out of solenoid) and a request discussion here http://www.phy.ntnu.edu.tw/ntnujava/index.php?topic=686.0