https://www.phy.ntnu.edu.tw/ntnujava/index.php 

http://phy01.phy.ntnu.edu.tw/ntnujava/index.php#3

https://www.phy.ntnu.edu.tw/ntnujava/ mirror seems not fully functional

Maybe I should mirror the ejs files?

http://phy01.phy.ntnu.edu.tw/ntnujava/index.php#3

https://weelookang.blogspot.com/2021/07/ntnujava-virtual-physics-laboratory-by.html