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MSL uses its flashlight for the first time. +Kimberly Lichtenberg will be so excited -- the flashlight is her favorite feature of the rover. :-)
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Now that you've upgraded to an RNG you can have all the newfangled conveniences, I guess. What does the flashlight offer you, other than a way to work longer if you need to?
 
+David Loring Well, it lets us see under ledges and stuff, and it lets us see stuff where we know what the light source is, so we can calibrate for color and such. But we also have, in addition to the white-light LEDs, a pair of UV LEDs, so we can see whether material fluoresces -- definitely interesting information for geologists!
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