thermal transfer...kinda a building block of any design be it car or smoking device
why people don't catch on fast...I donno but its just a matter of hot stuff getting cold fast
its probably a double whammy because as you know a bubble has more surface space for its given size then a flat surface
add the inside of the bong the bubbles as they bubble (inside and out as i tbreaks letting the smoke hit even more cool or warm water
lotta surface space esp. with a diffuser so you stand to get higher off a joint even if its burning inbetween hits
It's still a solid hunk of mj swiss cheesed in a tube of paper... the resin collects but in a good way
You smoke more in a joint of the same gram weight because you're basically retaring the stuff with each hit