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

Keep teeth white
  (+7, -1)
(+7, -1)
  [vote for,
against]

Why does coffee need a color? I argue it doesn't. White coffee beans should be available for a non-staining morning beverage.

Possible implementations:
1. Bleach coffee grinds. This may or may not be harmful to coffee flavor.
2. Engineer a white coffee bean. This may or may not be possible.
3. Add coffee flavor to caffeine and water.

Worldgineer, Jun 03 2004

Crystal Pepsi http://crystalpepsi.captainmike.org/
They already did it to cola... it bombed [luecke, Oct 04 2004, last modified Oct 21 2004]

Clear Coffee http://www.halfbake..._20Coloured_20Suits
Reference to prior lost art by [blissmiss] some time ago. [jurist, Oct 04 2004, last modified Oct 05 2004]

psychadelic milk http://www.youtube....www.boingboing.net/
[JesusHChrist, Apr 24 2008]

[4] Clear Coffee http://www.flickr.c...tindale/2437973697/
I've just taken a photograph of it for you. [Ian Tindale, Apr 24 2008]

[link]






       And after that, clear cola.
From a search:"Also in South Korea, Dongseo Foods has introduced Magic Water, a colorless coffee flavored water , packaged in a 500ml plastic bottle."
ldischler, Jun 03 2004
  

       I haven't seen your invisible mug. :-)   

       To avoid any phoofing of the watermark idea, I recommend ink-impregnated mugs.   

       [ld] Ew, cold coffee? Either that or hot plastic? No thanks.
Worldgineer, Jun 03 2004
  

       White, red wine for stainless teeth, also.
FarmerJohn, Jun 03 2004
  

       Clear smoke cigarettes?
Worldgineer, Jun 03 2004
  

       Apparently, if you're creative with your dental floss and drink red wine, black coffee (of varying strengths), and smoke cigars with varying degrees of toxicity, you can actually tie-dye your teeth.   

       Not worth the effort for a psychadelic smile, if you ask me.
lostdog, Jun 03 2004
  

       For non-staining cigarettes, you'd have to take out basically the entire cigarette (could probably leave in the filter, though). Possibly also true for coffee.

[lost-dog] Psychedelic? More like 'Aaah!, get away, get away.....'
blueturtle, Jun 03 2004
  

       The color comes from the roasting, I believe. Don't see how you could get rid of that.
waugsqueke, Jun 04 2004
  

       You can always put a single coffee bean (roast of your choice) in a snifter of clear Sambuca and call it "Clear Coffee". Probably my personal favorite coffee after midnight.
jurist, Jun 04 2004
  

       Pay a major celebrity to have his/her teeth dyed brown. Sufficient media exposure will ensure this becomes the height of fashion thus eliminating the problem.
Prak, Jun 04 2004
  

       Caffeinated water exists. I guess it's just a matter of making it coffee flavored.
phoenix, Jun 04 2004
  

       Another idea in the fine tradition of ruining perfectly good drinks with a marketing twist. I couldn't buy a Coke in the corner shop the other day - all they had was Diet Coke, Lemon Diet Coke, Vanilla Coke or Pepsi Max. I bought water.
wagster, Jun 05 2004
  

       [waugs]//The color comes from the roasting, I believe.// Best point so far. I'd try bleaching after roasting, but I still fear this affecting flavor. If this doesn't work, we're stuck with option 3.   

       [BB], [wag] We're not making you drink this. I'm quite sorry that the world is offering you more choices than you desire - perhaps we should all drink full-sugar Coke and black coffee to make you happy.</sarcasm>   

       This idea actually comes from the teeth-bleaching trend that is becoming standard practice in dental offices in the US. I'm sure if people had the option of removing the source of staining instead of sucking on bleach every night they would buy this.   

       [jurist] Yes, I came across that while searching for prior art. However, it's not even in the waybackmachine archives. I don't recall reading it while the idea was around. Even if it was the same idea, I think it deserves to be here. [bliss], how did you propose making it clear?
Worldgineer, Jun 06 2004
  

       Chill, [Worldgineer]. The addition of a link is not necessarily a call for you to remove your idea or a slap that you haven't properly done your home work. Often it is just meant to augment what you've begun. The best links are just informed footnotes to great ideas.   

       If my link offends you, pluck it out.
jurist, Jun 07 2004
  

       No offense taken, [jurist]. I appreciate the link.
Worldgineer, Jun 07 2004
  

       I've just taken a photo [link 4] of some clear coffee I had around the kitchen. You're lucky - I thought I'd just run out of it!
Ian Tindale, Apr 24 2008
  

       But will your clear coffee still be clear after you add the cream and sugar?
Jscotty, Apr 24 2008
  

       It's probably tough to tell when you're out.   

       [Js] Sugar shouldn't be a problem, though you'd be able to see cream. Of course, most won't be afraid of staining their teeth white from drinking too much clear coffee with cream.
Worldgineer, Apr 24 2008
  

       No, you'd have to have it black instead.
Ian Tindale, Apr 24 2008
  

       Clear coffee would be great - but getting the flavour right is crucial.
xamde, Sep 19 2009
  

       I don't know. We'll leave that up to Science.
Worldgineer, Sep 22 2009
  
      
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