It looks like you are using an ad blocker. That's okay. Who doesn't? But without advertising revenue, we can't keep making this site awesome. Click the link below for instructions on disabling adblock.
But basically it is a method of applying a small current of electricity to the brain to stimulate it, which makes it preform on a higher level.
Anyway, has anyone on here experimented with it? After a tiny bit of looking into it, it looks really interesting.
I might try to build a simple device. There is plenty of info online.