I have not seen it myself, but I've been told that gold can be rolled so 
thin that a halogen lamp can be seen  through.

Side question: is there still gold in Fort Knox, and when at maximum, how 
much gold was there`?


Inge


----- Original Message ----- 
From: "David D. Hillman" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Friday, September 24, 2010 6:15 PM
Subject: [TN] NTC Friday Element Quiz - The Answer


> Hi folks! Here is the Friday Element Quiz. There won't be a quiz next week
>
> due to the IPC Midwest Conference in Chicago.
>
> The Question:
>
> This element occurs as a native metal in the Earth's crust. The annual
> production of this element is small - the total quantity of this element
> produced in 2000 would fit into a cube just 5 meters on a side. The
> largest single chunk of this element was 90 kg found in Australia in 1872.
>
> This element is the most ductile metal as 1 kg of it can be rolled into a
> sheet only 10 nm thick with an area of 5000 square meters (i.e. the size
> of a football field).
>
>
> Bonus points: The origin of the word "crass" is related to this element.
> Name the person associated with the element/word origin.
>
>
> The Answer:
>
> The element is Gold - Au!  Diljit Matharu, Creation Technologies, provided
> the bonus points answer in great detail (thanks Diljit) . Marcus Lincinius
> Crassus was famous for extravagant expenditures. Orodes, the Parthain king
> who defeated him in battle, ordered his men to fill the mouth of Marcus's
> severed head with gold and pronounced "There, sate thyself now with that
> metal of which in life thou wert so greedy". Gold has the highest infrared
> reflectance of any metal, 99% at near-infrared wavelengths. Also, in
> compounds with alkali metals, gold is an anion and the compounds are
> transparent - more like a salt than a metal.
>
>
> The winner of this week's quiz is Graham Collins with lots of folks also
> providing the right answer. Clumpy assist Graham for a week - probably
> working on the boat.
>
> So far Clumpy has:
>
> Week 1 Lamar Young, SCS Coatings
> - accomplished nothing (drank lots of coffee)
>
> Week 2 Bev Christian, RIM
> - conducted REACH material testing
>
> Week 3 Drew Meyer, Benchmark Electronics Inc.
> - Solderability testing and mowed the lawn
>
> Week 4 Ian Fox, Goodrich
> - had an epic journey of travel
>
> Week 4 Gary Ferrari, Garrick Global
> - ???? Gary owes us a description
>
> Week 5 Fredrick Miller, Astrolab
> - ???? Fredrick owes us a description
>
> Week 6 David Nelson, Raytheon
> - Was a tackling dummy for Dallas Cowboys
>
> Week 7 Graham Collins, L3 Communications
> - ?????
>
> Have a great weekend and hope to see folks at the IPC Midwest Conference.
>
> Dave Hillman
> Rockwell Collins
> [log in to unmask]
>
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