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About RF Cafe

Kirt Blattenberger - RF Cafe Webmaster

Copyright: 1996 - 2024
Webmaster:
    Kirt Blattenberger,

    BSEE - KB3UON

RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while typing up your telephone line, and a nice lady's voice announced "You've Got Mail" when a new message arrived...

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Mystery Molecule - RF Cafe Forums

The original RF Cafe Forums were shut down in late 2012 due to maintenance issues - primarily having to spend time purging garbage posts from the board. At some point I might start the RF Cafe Forums again if the phpBB software gets better at filtering spam. Note: The RF Cafe Forums were reconstituted in April 2021!

Below are the old forum threads, including responses to the original posts.

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Kirt Blattenberger
 Post subject: Mystery Molecule
Posted: Thu Nov 11, 2004 9:31 pm 
 
Site Admin
User avatar

Joined: Sun Aug 03, 2003 2:02 pm
Posts: 451
Location: Erie, PA
This molecule is for a liquid found useful by many visitors to RF Cafe.



Jason guessed it (see below).

Click on the "Post Reply" button above to register your guess.


- Kirt Blattenberger :smt024


 
   
 
Guest
 Post subject:
Posted: Fri Nov 12, 2004 9:08 am 
sweat? :lol:


 
  
 
hightechnh@yahoo.com
 Post subject: molecule
Posted: Fri Nov 12, 2004 12:41 pm 
is it caffeine?


 
  
 
Kirt Blattenberger
 Post subject: Re: molecule
Posted: Fri Nov 12, 2004 12:57 pm 
 
Site Admin
User avatar

Joined: Sun Aug 03, 2003 2:02 pm
Posts: 451
Location: Erie, PA
hightechnh@yahoo.com wrote:
is it caffeine?


Not sweat.
Not caffeine.

Good guesses, though.


- Kirt B. :smt024


 
   
 
Organics not my bag
 Post subject:
Posted: Fri Nov 12, 2004 1:18 pm 
Is it ribose. Part of ribonucleaic acid.


 
  
 
Jason
 Post subject:
Posted: Sat Nov 13, 2004 3:25 pm 
How about beer?


 
  
 
John Santillo N2HMM
 Post subject: Liquid Molecule
Posted: Sat Nov 13, 2004 8:01 pm 
OK, I'll take a crack at it. Is it Ethyl Alcohol?


 
  
 
Kirt Blattenberger
 Post subject:
Posted: Sun Nov 14, 2004 10:17 am 
 
Site Admin
User avatar

Joined: Sun Aug 03, 2003 2:02 pm
Posts: 451
Location: Erie, PA
Jason wrote:
How about beer?


Jason wins the prize!

Well, there isn't really a prize other than the satisfaction of knowing that you were the first to figure it out. Jolly good.

I ran across it while looking for some other chemical information. It was the Molecule of the Week on Chemstry.org.

http://www.chemistry.org/portal/a/c/s/1/home.html#

"Beer flavor is a complex balance of sweetness from sugars and bitter from the humulones in hops (Humulus lupulus) flowers. When wort (unfermented beer) is boiled, humulone molecules rearrange to form the more soluble isohumulones (one example shown here). Isohumulones retard bacterial growth and contribute to beer's bitter flavor."


- Kirt Blattenberger :smt024




Posted  11/12/2012
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