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Author Topic: Weird science: Water forms floating bridges  (Read 6011 times)
Prof. Brockworth
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Choppy Warburton rides again!


« on: September 30, 2007, 12:21:15 pm »

Water forms floating 'bridge' when exposed to high voltage - Physorg

"When exposed to a high-voltage electric field, water in two beakers climbs out of the beakers and crosses empty space to meet, forming the water bridge. The liquid bridge, hovering in space, appears to the human eye to defy gravity."



Now, does anybody thing that was a Russian water tentacle?
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Sir Theodore Catchpole
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« Reply #1 on: September 30, 2007, 06:01:21 pm »

cool very cool
i wonder if you can get it to be very big?
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Maximum Humphries
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« Reply #2 on: September 30, 2007, 06:07:02 pm »

gosh i want to see a video of this...

(nice abyss reference by the way)
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"Ever forward, my darling wind..."
Andy_W
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« Reply #3 on: October 01, 2007, 01:36:57 am »




Super cooled water.

I never get bored of seeing this experiment.
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AFGNCAAP
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« Reply #4 on: October 01, 2007, 03:04:36 am »

You have me imagining new kinds of sea monsters, sir... Shocked
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« Reply #5 on: October 01, 2007, 01:45:57 pm »

I thought
this video
, linkes from the above supercooling one, was delightfully steampunk.
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Not poems and rubbish - SCIENCE!
Prof. Brockworth
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Choppy Warburton rides again!


« Reply #6 on: October 01, 2007, 06:28:12 pm »

Not to mention awesome modelling!  Loving that supercooled water too.
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Saphyra
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« Reply #7 on: October 01, 2007, 07:33:15 pm »

http://uk.youtube.com/watch?v=DpiUZI_3o8s


Super cooled water.

I never get bored of seeing this experiment.


Oh and here I thought it was just something that occurred when one took a can of soda from a very cold cooler. Liquid until you pop the top, then gushing slush.
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Atterton
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Only The Shadow knows


« Reply #8 on: October 01, 2007, 10:10:34 pm »

No, the cola thing is just because the CO2 pressure above the liquid decreases as you open the can. There is no phase change involved.
Apparently though, ketchup is solid untill you give it a smack, then it turns liquid. Hence why those Heinz bottles end up drowning your spaghetti.
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Prof. Brockworth
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Choppy Warburton rides again!


« Reply #9 on: October 01, 2007, 10:15:46 pm »

Mmm, thixotropic...
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Saphyra
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« Reply #10 on: October 02, 2007, 06:41:46 pm »

No, the cola thing is just because the CO2 pressure above the liquid decreases as you open the can. There is no phase change involved.
Apparently though, ketchup is solid untill you give it a smack, then it turns liquid. Hence why those Heinz bottles end up drowning your spaghetti.

Ahh, thanks for the info. Guess who wasn't paying attention in science class?

And ketchup. On your spaghetti?
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Offlogic
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« Reply #11 on: October 02, 2007, 10:44:13 pm »

Very similar effect was described at least as far back as 2005, pictures at http://tesladownunder.com/HighVoltage.htm#Strange%20HV/water%20effects
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