Buoyancy Hydro - the beginning.mp4

Buoyancy hydro the beginning, the first experiments performed by Buoyancy hydro inventor Allan Harrigan in Jog Jakata Indonesia

[@darkdayze]

if you still read these (not sure, since it was 4 years ago), but what does he mean by "simple pipe with another pipe injected into it?"
is there a secondary pipe that we don't see?
all I see is a simple pipe with an air hose injected. Was there anything I was missing here?

[@1marceltony]

whats the popint ?

[@ilgesmccool]

really interesting

[@yasarali45]

Venturi pump