Fr Robert Ballecer, SJ? I don 't know if you have seen this out not, but I stumbled across thi...

[G+_David Wiggins]

Fr. Robert Ballecer, SJ? I don't know if you have seen this out not, but I stumbled across this today and had share it. There is also a pair of videos explaining how it works. Completely worth the time.

[G+_Fr. Robert Ballecer, SJ]

Geeks add wonder to the world. :)

[G+_Lloyd Frisbee]

It took balls to make that!