Pulsing water, but what frequency?

The following link was sent to me by a friend. It is regarding to the pulsing of water to produce hydrogen more efficiently than just straight current.

After browsing quickly over the website, I noticed that somewhat complex circuitry will be required to get any serious Hydrogen generation happening...

JLNaudin: http://jnaudin.free.fr/wfc/index.htm

Another great link found on JNaudin's website: http://waterfuelcell.org/