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4hv.org :: Forums :: General Science and Electronics
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Mystery Photos from TDU

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Tesladownunder
Sat Jun 03 2006, 12:22PM Print
Tesladownunder Registered Member #10 Joined: Thu Feb 02 2006, 09:45AM
Location: Bunbury, Australia
Posts: 1424
 		I seem to have generated a number of photos that are strange out of context.
Any thoughts on this one for starters?

Peter
1149337331 10 FT0 Mysteryphoto1
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Bjørn
Sat Jun 03 2006, 12:37PM
Bjørn Registered Member #27 Joined: Fri Feb 03 2006, 02:20AM
Location: Hyperborea
Posts: 2058
 		My guess is a rotating drillbit and water. It looks quite mystical and I had to twist my brain to come up with that idea.

I see a doughnut shaped light source, is it a macro flash?
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Tesladownunder
Sat Jun 03 2006, 12:58PM
Tesladownunder Registered Member #10 Joined: Thu Feb 02 2006, 09:45AM
Location: Bunbury, Australia
Posts: 1424
 		No, sorry. It would have to be water with cornstarch like properties with velocity dependent viscosity any way for it to stick to the rotating bit like that.
The central "thing" is stationary and a little out of focus. Standard flash but there was no significant movement anyway.

Peter
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Dave Marshall
Sat Jun 03 2006, 01:17PM
Dave Marshall Registered Member #16 Joined: Thu Feb 02 2006, 02:22PM
Location: New Wilmington, PA
Posts: 554
 		I have two theories.

1) A drop of water being drawn up to a charged electrode off of a metal surface.

2) Something epoxied to a metal base

Dave
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Plasmaniac
Sat Jun 03 2006, 01:26PM
Plasmaniac Registered Member #206 Joined: Sat Feb 18 2006, 03:17PM
Location:
Posts: 72
 		Does it have to do with high voltages? Maybe you have some kV on that stick. Is it normal water? Or de-ionized stuff?
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Bjørn
Sat Jun 03 2006, 01:28PM
Bjørn Registered Member #27 Joined: Fri Feb 03 2006, 02:20AM
Location: Hyperborea
Posts: 2058
 		The current post is here http://4hv.org/e107_plugins/forum/forum_viewtopic.php?10694, I am not sure how that got mixed up but I don't really trust the forum software until I have clicked refresh a couple of times.

I have seen water do the stragest things, especially on small scales so I would not be too surprised. What is causing the doughnut reflections, a lamp?

My next guess qould be that it is a 2 mm diameter electrode and there is a current.
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Wilson
Sat Jun 03 2006, 01:53PM
Wilson Registered Member #78 Joined: Thu Feb 09 2006, 11:27AM
Location: Sydney, Australia
Posts: 133
 		Its not just a drip of water falling down the rod into a metal tub, captured *just* after it hit the surface is it? Perhaps a liquid more viscous than water....
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Michael W.
Sat Jun 03 2006, 02:14PM
Michael W. Registered Member #50 Joined: Thu Feb 09 2006, 04:07AM
Location: Vernon, B.C, Canada
Posts: 324
 		Pretty Sure its Peters Strange HV/water effects shown on his page...

"There is no sparking since pure deionised water is an insulator. The mutual attraction of opposite charges creates a spike rising up from the water to meet the electrode. Almost ferrofluid like. The yellow tip is a reflection of the yellow base which is my theme background colour in most of my photos. This spike is stable although there is a moderate water flow around it. Wire width is 0.09 inch (2.2mm). "

Edit: angry Never mind I just saw the other post about the strange water effects, I guess I was right anyway....
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Tesladownunder
Sat Jun 03 2006, 02:15PM
Tesladownunder Registered Member #10 Joined: Thu Feb 02 2006, 09:45AM
Location: Bunbury, Australia
Posts: 1424
 		You are getting the idea

This is from a different angle using deionised water which insulates and is attracted to the upper electrode.

Peter


1149344124 10 FT10696 Waterspike2


Now the next photo.

Mystery Photo 2
1149344802 10 FT1630 Mysteryphoto2


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uzzors2k
Sat Jun 03 2006, 03:09PM
uzzors2k Registered Member #95 Joined: Thu Feb 09 2006, 04:57PM
Location: Norway
Posts: 1308
 		Is it a uranium marble under UV light?
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