Thread: Not a real quiz but..........
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Old 05-21-2004, 09:32 AM
Bob Lentil's Avatar
Bob Lentil Bob Lentil is offline
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This one's a stretch:

4) 21 D S D of the Y = 21 decades since discovery of the Yttrium.

In case you wanted to know, the element Yttrium was discovered in 1794 by Johann Gadolin. It was named after Yterrby, Sweden. It is used in color TVs and radars.
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