25 years ago there was a site Kely Net or something similar, also I think there is JLN labs that is still alive, there was lot of over-unity things, BS and scams, but I distinctively remember few of the technologies back then that now popping up as mainstream wonder ... Aluminium oxide engine, brown gas, mighty engine, ion lifter, metal latices fusion ... it is kind of odd how long we need to start exploring new tech.