Hi folks - Here is the Friday Element Quiz Question:

The Question:

The price of this element has increased by a factor of 6 during the last 2 

decades of the 20th Century. The majority of the world production of this 
element comes from fume/dust/slags from Zinc mining. This element is a 
superconductor below 3.37K. This element does not oxidize in room 
temperature air. Which element is being described?

The Answer:

The element is Indium (In)! Indium was discovered in 1863 by Reich and 
Richter. Reich, a colorblind spectroscopist, had Richter assist with color 
determinations and they found a intense blue spectral line from the 
analysis of a mineral which they expected to see a green spectral line. 
They named the element after its indigo blue characteristic spectral line. 
Early applications of Indium were for dental alloys and engine bearings. 
Modern applications include solder alloys, neutron absorbing control rods 
for nuclear reactors and as a corrosion inhibitor in alkaline dry cell 
batteries.


I must be giving the right number of clues as we had lots of good guesses 
but also lots of confusion (gallium and indium share a number of 
similarities which sent folks down the wrong path). The winner of the quiz 
is again Bev Christian from RIM so Clumpy is going to stay in Canada 
another week (Bev, you better give him a cot in the lab).

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
- unknown

Week 5 Fredrick Miller, Astrolab
- unknown

Week 6 David Nelson, Raytheon
- Was a tackling dummy for Dallas Cowboys

Week 7 Graham Collins, L3 Communications
- Cleaned gutters and painted window trim

Week 8 Bill Noel, ITT Geospatial Systems Division
- unknown

Week 9 Steve Gregory of RD Circuits
- unknown

Week 10 David Bealer of Watchfire Signs
- descaled the in-line wash machine! Ouch!

Week 11 Dick Krug of Sparton Corporation
- assisted with AS9100 quality management systems requirements audit

Week 12 Steve Creswick of Balanced Enterprise Solutions
- Acted as Steve's "go fer" due to a broken leg!

Week 13 Gebhard Neifer, Delphi
- conducted a plasma pre treatment Taguchi DOE for a sealing process

Week 14 Bev Christian, RIM
- assisted with a tin pest investigation/test

Week 15 Bev Christian, RIM
 - ???????????????

Hope everyone had an enjoyable weekend.

Dave Hillman
Rockwell Collins
[log in to unmask]

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