I would have thought bubbles were a pretty prime component in the aroma of a beer. Hence the reason SN and dogfish went to the effort of making that IPA glass.
I currently don't have the control or room to participate but here are a couple (some quite debated)
Fermentation on trub v.s. no trub
different forms of aeration v.s. no aeration what so ever (can measure lag time and flavours produced)
yeast pitching rates
re-hydration of yeast v.s. not
Small...
And to think you can have this book brand new for the affordable price of $282, plus shipping of course. Think it would be worth every dollar by the look of some of those reviews
I believe a real ginger beer 'plant' is actually a symbiotic culture between yeast and a specific bacteria which gives a distinct flavour and looks kind of like jelly. http://www.yemoos.com/gingerbeerproductpage.html these guys sell the real culture.
Someone may correct me but I believe its called krausening and it is done. Here is a link http://beersmith.com/blog/2010/03/22/krausening-home-brewed-beer/
A simple SMaSH. 2nd all grain, 2nd beer and the most difficult part was working out how to upload this picture. Have to give kudos to the "move to all grain for 30 bucks" thread for showing me the way.