Topic: Practical Guide to Free Energy Devices
Lots of resources on electronics and free energy research:
(also, http://www.rexresearch.com is also worth visiting if you haven't yet. Rex Research became my all-in-one source for information on suppressed technology after I saw their classified ad in Popular Science back in 7th grade. It's still up and running fourteen years later.)
Acquiring fringe knowledge is like digging for diamonds in a mine field.