Hi folks - Here is the Friday Element Quiz answer:

The Question:

This element has a FCC crystal structure. This element is critical in the 
Space Shuttle main rocket engine. The human body requires 50-120 mg of 
this element per kilogram of body weight. Native element nuggets as large 
as 400 tons have been found. Which element is being described?

The Answer:

The element is Copper (Cu)! Most metals reflect all visible wavelengths of 
light at 90% efficiency or better with the reflected light being the same 
color as the incident light. Copper reflects red light at 97.5% 
efficiency. But green and blue light promote the electrons to a higher 
energy level sometimes resulting in a two step decay and our eyes do not 
detect as many blue and green photons in the reflected light as in the 
incident light for copper (only 2/3s of the green light and 1/2 of the 
blue light is reflected, the rest reflects as infrared light). This is the 
reason our brains think that copper is a reddish color! 

Many folks guessed nickel as the element but the human body requirements 
are different than those listed. Steve Creswick of Balanced Enterprise 
Solutions gets to put Clumpy to work.


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
 - assisted Bev shoveling snow

Week 16 David Bealer of Watchfire Signs
 - assisted with ????

Week 17 Steve Creswick of Balanced Enterprise Solutions
 - assisted with ????

Hope everyone has a low stress week.

Dave Hillman
Rockwell Collins
[log in to unmask]

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