2011 Ig Nobel Prize Ceremony promo (60-second version)
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Uploaded by ImprobableResearch on Sep 12, 2011
Daniel Rosenberg, performing chemist at the Ig Nobel Prize ceremonies, demonstrates his excitement about the upcoming ceremony and live webcast.
Daniel is also a demonstrator of chemical and physics experiments at Harvard University's Science Center. He and colleague Allen Crockett filmed this demonstration.
The 21st First annual Ig Nobel Prize Ceremony will be webcast live on YouTube, on Thursday night, September 29, 2011, beginning at 7:30 pm (Boston, Massachusetts time).
(In the video you will hear Daniel, acting under the influence of chemico-physical forces, announce a slightly earlier, slightly incorrect start time.
For details about the ceremony: http://improbable.com/ig/2011/
Info about the Ig Nobel Prizes: http://improbable.com/ig/
List of all past Ig Nobel Prize winners: http://improbable.com/ig/winners/
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@Extractables thanks for the information
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Doesn't this happen also with regular tap water?
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The liquid in the round bottom flask is Tollen's reagent, see wikipedia.
This preparation involves adding conc. ammonia to a silver nitrate solution, forming a precipitate, continuing till the ppt. redissolves. Potassium hydroxide solution is added to form a brown ppt., and again ammonia until the solution is almost, but not entirely, clear.
Add glucose solution and shake.
The glass must be very clean for the mirror to form.
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I was at the ceremony last night and am trying to figure out what (clear) chemicals were mixed in the large glass container that coated the glass and turned it silver-reflective in two minutes at room temperature. Any info is appreciated
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cea cea cea ! waazaa !!
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The liquid in the round bottom flask is Tollen's reagent, see wikipedia.
This preparation involves adding conc. ammonia to a silver nitrate solution, forming a precipitate, continuing till the ppt. redissolves. Potassium hydroxide solution is added to form a brown ppt., and again ammonia until the solution is almost, but not entirely, clear.
Add glucose solution and shake.
The glass must be very clean for the mirror to form.
Extractables 5 months ago 3
The wonders of internal reflection :-).
KapStuf 5 months ago 2