UV is 9,999999999!

sharkeeper

Lifer
Jan 13, 2001
10,886
2
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Actually the index goes higher than that. In the mountains of Mexico values exceeding 14 are possible. You risk burning walking to the mailbox to get your netflix cache.
 

sharkeeper

Lifer
Jan 13, 2001
10,886
2
0
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Actually Ra is radium. I used to collect that stuff - we had a watchmaker in the family and the powder was used to restore luminous hands on clocks and watches. They no longer use the stuff now because it's dangerous. It's fun watching the vials flicker in the dark. You can see the individual scintillations. My father called it lightning in a bottle. A typical "medicine" sized bottle half full gives the curious gazer over 120 millirems per hour of gamma! That's an incredible amount of activity.
 

klah

Diamond Member
Aug 13, 2002
7,070
1
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Originally posted by: sharkeeper
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drag. drop.