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Study in brown and shiny (images added)
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rjlittlefield
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Joined: 01 Aug 2006
Posts: 17614
Location: Richland, Washington State, USA

PostPosted: Fri Nov 11, 2011 11:54 am    Post subject: Study in brown and shiny (images added) Reply with quote



This is a puzzle piece. I'm not going to tell you anything about it except that it attracted my attention from 50 feet away and I went to see what it was.

Any guesses?

--Rik


Last edited by rjlittlefield on Sun Nov 13, 2011 11:12 am; edited 1 time in total
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Saul



Joined: 31 Jan 2011
Posts: 754
Location: Naperville, IL USA

PostPosted: Fri Nov 11, 2011 12:58 pm    Post subject: icicle with thread inside Reply with quote

icicle with thread inside Very Happy
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Cyclops



Joined: 05 Aug 2006
Posts: 2931
Location: North East of England

PostPosted: Fri Nov 11, 2011 1:48 pm    Post subject: Reply with quote

Frozen fishing line?
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dbur



Joined: 16 Apr 2010
Posts: 140
Location: Oregon

PostPosted: Fri Nov 11, 2011 3:31 pm    Post subject: Reply with quote

Spider web after freezing rain.
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DQE



Joined: 08 Jul 2008
Posts: 1653
Location: near Portland, Maine, USA

PostPosted: Fri Nov 11, 2011 4:13 pm    Post subject: Reply with quote

It sure looks VERY hard to illuminate without getting buried by specular reflections!

No real clue as to what it is, though. I've always found macro ID puzzles to be enjoyable. I recall showing macro photos of everyday things to my then young children and they really enjoyed trying to ID the scene or object. Even something as simple as a few mm or cm of dirt would throw almost anyone.
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rjlittlefield
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Joined: 01 Aug 2006
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Location: Richland, Washington State, USA

PostPosted: Fri Nov 11, 2011 5:11 pm    Post subject: Reply with quote

You guys are good! Dbur is very close, not quite dead on.

--Rik
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Saul



Joined: 31 Jan 2011
Posts: 754
Location: Naperville, IL USA

PostPosted: Fri Nov 11, 2011 7:47 pm    Post subject: ...more exact Reply with quote

...more exact-icicle on the web thread, created by freezing-unfreezing cycle
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rjlittlefield
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Joined: 01 Aug 2006
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Location: Richland, Washington State, USA

PostPosted: Sat Nov 12, 2011 12:21 am    Post subject: Reply with quote

That's even closer, but perhaps you're being misled by my subtle hint about the size.

What you're looking at here is a 42% crop from an MP-E 65 at 5X on a Canon T1i camera. The total frame width shown here is only 1.85 mm, and the average width of the structure is less than 0.5 mm.

Does that help?

--Rik
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dbur



Joined: 16 Apr 2010
Posts: 140
Location: Oregon

PostPosted: Sat Nov 12, 2011 12:32 am    Post subject: Reply with quote

And you saw that from 50 ft away? Surprised
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rjlittlefield
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Location: Richland, Washington State, USA

PostPosted: Sat Nov 12, 2011 1:13 am    Post subject: Reply with quote

Yep. Consider what lighting conditions would make that possible, and you might get some additional ideas about the structure itself.

--Rik
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Harold Gough



Joined: 09 Mar 2008
Posts: 5787
Location: Reading, Berkshire, England

PostPosted: Sat Nov 12, 2011 1:45 am    Post subject: Reply with quote

I'm intrigued by the hook-like structures above the long axis.

Harold
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ChrisR
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Joined: 14 Mar 2009
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Location: Near London, UK

PostPosted: Sat Nov 12, 2011 2:24 am    Post subject: Reply with quote

Perfectly simple. Rik can't see 2mm from 50 feet. If it's icy, all manner of things glint from that distance with the sun on/behind them.

So this was attached to a larger object, of which the strand is a small part.
The strand looks pale, and is bifurcated perhaps. Obviously a hair from a blonde head, so likely a girl.
A hairbrush wouldn't "do it" from 50 feet. So Rik found a girl who doesn't look after her split ends, who'd spent all night outside for this to happen to it.
Perfectly natural that his first thought would be to take a photograph. I understand, I'm about the same age.
I can remember parties where all that would have been normal.
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DQE



Joined: 08 Jul 2008
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Location: near Portland, Maine, USA

PostPosted: Sat Nov 12, 2011 7:35 am    Post subject: Reply with quote

Hairspray applied to a human or perhaps animal hair?

Lots of luck with this guess being right...this is more of a Rorschach test than anything else!!
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Harold Gough



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PostPosted: Sat Nov 12, 2011 7:44 am    Post subject: Reply with quote

Barbed wire?

Harold
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Cyclops



Joined: 05 Aug 2006
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Location: North East of England

PostPosted: Sat Nov 12, 2011 7:48 am    Post subject: Reply with quote

OK I'm thinking its an animal hair on farmland, say a sheep or a horses hair, caught on barbed wire.
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