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To: Cindy
Two speed boats, blue and white in colour, with 3 or 4 persons onboard approached a bulk carrier underway at over 20 knots. The speed boats came as close as 0.40 nm.

WOW.

Blue light has a wavelength of about 475 nm. ;)
25 posted on 04/10/2009 5:04:31 PM PDT by saluki_in_ohio (Quantum mechanics: The dreams stuff is made of.)
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To: saluki_in_ohio

I take it that’s pretty fast.


26 posted on 04/10/2009 5:20:08 PM PDT by Cindy
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