Have we done this yet?

http://www.hydralight.net/technology/

Lights and power from salt water - witchcraft or basic chemistry refined? Interesting all the same.

Interesting.

I can't see how much power they produce, or the weights.

me neither nor any sort of explanation of power or how many cycles you can get from it

yes you can wait 25 years but how many times can you dip it in water and it works?

does it need to be fresh or sat water?

"As seen on TV"

More info here - https://www.hydralight.com/HYDRALIGHT/8 ... otsid=9747

Also worth reading this review.....

http://freakinreviews.com/hydralight-reviews/

cheers for the information

Looks like something you'd see Phil Mason debunking on youtube.