Half a croissant, on a plate, with a sign in front of it saying '50c'
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Beer thermometer

Glass teardrops that float when your beer gets warm.
  [vote for,

The idea is basically like the floating thermometers I have seen in novelty shops. But the float would be calibrated to the specific gravity of beer. As long as the beer is cold, (2 degrees celcius) the bauble stays at the bottom, if it starts to rise, drink up quick! Of course you should be able to order the bauble in 2, 4, 6 degrees and for lager, ales or bitters. Bauble should also be big enough so you can't swallow it. Maybe it should be tied to the glass, just incase.
TBK, Jan 10 2003

Thermometer http://www.howstuff...com/question663.htm
Baked in the 1600's [Shz, Oct 04 2004, last modified Oct 21 2004]


       There will be a 20 degree celsius model for Guiness drinkers. Other people who like their beer warm, well, I will be selling them a tool that measures dissolved CO2 soon to make sure the beer gets drunk before it goes flat.
TBK, Jan 10 2003

       I agree the thermometer bit is baked, thanks for the update. But this is for beer!! Who cares what the ambient temperature is, I need to know how warm my beer is getting.
TBK, Jan 10 2003

       This would be rather difficult to achieve as described, as the specific gravity of the beer is highest when cold, and lessens as it is warmed. This would dictate that the "teardrops" would float only when the beer is cold, and would sink when the undesirable temperature range is reached, operating inversely to your description.
Additionally, rest assured that small CO2 bubbles will collect on the surface of the "teardrops" as well, giving them additional bouyancy and making it appear that warm beer is within the desired temperature range.
You may (or may not) also be aware that the density of beer will vary from type to type (ie: stout>porter>ale>lager), necessitating a different density of "teardrop" for each variety.
Considering the aforementioned combination of factors, I assert that the mechanics of the situation described eliminate the application of a hydrometric device as a practical solution. Perhaps this task would be more effectively approached as an application for thermal-sensitive paints?
X2Entendre, Jan 10 2003

       better idea yet: just drink the stuff faster. :)
Reaver, Jun 02 2003

       Problem is with a thermometer stuck in it, you'd get less beer in you pint. After the whole head fiasco, you'd probably need bigger glasses, just so as you don't miss out on a drop.
MikeOliver, Jun 02 2003

       How many beers does it take before you swallow the float?
Tiger Lily, Jun 02 2003

       Potentially useful for coffee or tea so you don't get burned, but why not just taste your beer and decide for yourself if it is cool enough?   

       I prefer the (well baked idea) pint glasses with pictures of young lovelies in mysteriously disappearing heat-sensitive lingerie... woo woo! Now if we could vary the paint sensitivity so garments gradually reappear as the beer warms up... reverse striptease
jayhawk, Jun 02 2003


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