On 6 Jul 2018 at 11:57, David Hillman wrote:

>  The Question:
> This element must be stored in mineral oil because if it combines with
> water, it will explode if exposed to an ignition source. This element
> is found in monazite sand.This element is used as a glass dye. Early
> glass using this element as a dye made in the 1930s have a more
> reddish or orange tinge than modern versions which are more cleanly
> purple, due to the difficulties in removing the last trace elements
> when manufacturing relied upon fractional crystallization technology.
> The  drive electric motors of each Toyota Prius require one kilogram
> (2.2 pounds) of this element per vehicle. The use of this element in a
> commercial product has led to at least 1,700 emergency room visits for
> gastrointestinal tract problems. Which element is being described?
> 
> The Answer:
> The element is Neodymium (Nd)! Neodymium derives its name from the
> Greek words "neos and "didymos" meaning "new twin". and was not
> produced as a pure element until 1925. Neodymium reacts with water
> forming Nd (OHO)3 and hydrogen thus the reason for storing in mineral
> oil. Neodymium is widely used for magnets. A neodymium magnet of a few
> grams can lift a thousand times its own weight. Another risk of these
> powerful magnets is that if more than one magnet is ingested, they can
> pinch soft tissues in the gastrointestinal tract. This has led to at
> least 1,700 emergency room visits and necessitated the recall of the
> Buckyballs line of toys, which were construction sets of small
> neodymium magnets (yea, I know, really? but sometimes there is a lack
> of common sense).
> 
> 
> So we have three way tie this week! The winners of the quiz are Tom
> Carroll,  Matthias Mansfeld and Tom Granat - they will split the
> services of Clumpy and Kloumpios for the week. Lots of guesses were
> for sodium but I made the clues a bit tricky so that led folks astray.
> Let us know what the boys are going to be helping you with!
[...]

> Week 63 Matthias Mansfeld, Mansfeld Elektronik PCB Design and Assembly
> -assisted with ????

I don't know what they'll do at the both Toms, but if they can use 
Internet, then the two Toms arrange their time schedule and I'll give 
the boys access with VPN to my CAD software and they can do some 
layout stuff at night. Cadstar or Altium, whatever they prefer...

> 
> Week 63 Tom Carroll, Boeing
> -assisted with ????
> 
> 
> Week 63 Tom Granat
> -assisted with ????
> 

Regards
Matthias



--
Matthias Mansfeld Elektronik * Printed Circuit Board Design and 
Assembly
Neithardtstr. 3, D-85540 Haar, GERMANY
Phone: +49-89-4620 0937, Fax: +49-89-4620 0938
Internet: http://www.mansfeld-elektronik.de
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