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4hv.org :: Forums :: High Voltage
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High voltage banana science

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Kizmo
Sat Jan 07 2012, 04:33PM Print
Kizmo Registered Member #599 Joined: Thu Mar 22 2007, 07:40PM
Location: Northern Finland, Rovaniemi
Posts: 624
Link2

Really didnt see that one happening


1325953986 599 FT0 Dsc 0398
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Steve Conner
Sat Jan 07 2012, 05:08PM
Steve Conner Registered Member #30 Joined: Fri Feb 03 2006, 10:52AM
Location: Glasgow, Scotland
Posts: 6706
That's gross! :-X I presume it was liquidised by shock waves? I've seen Marx discharges used to shatter rock, so I'm not surprised by the effect on a banana.

Maybe Heston Blumenthal will adopt this as a cooking method.
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Marko
Sat Jan 07 2012, 05:29PM
Marko Registered Member #89 Joined: Thu Feb 09 2006, 02:40PM
Location: Zadar, Croatia
Posts: 3145
Next experiments:

a peeled bannana
other fruits?
Vegetables?

Marko

PS. I suspect the effect might be mechanical rather than chemical a well - perhaps the arcs are getting underneath the peel and simply pummeling the bannana flesh to death.

Can't explain the dramatic color change though!

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Tetris
Sat Jan 07 2012, 09:47PM
Tetris Registered Member #4016 Joined: Thu Jul 21 2011, 01:52AM
Location: Gainesville, FL
Posts: 660
Did you eat it afterwards?
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Conundrum
Sat Jan 07 2012, 10:43PM
Conundrum Registered Member #96 Joined: Thu Feb 09 2006, 05:37PM
Location: CI, Earth
Posts: 4059
LOL! Explanation for the colour change could be all the cells rupturing at once?
That ought to do it...

-A
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Myke
Sat Jan 07 2012, 11:02PM
Myke Registered Member #540 Joined: Mon Feb 19 2007, 07:49PM
Location: MIT
Posts: 969
Could it be from the ozone oxidizing the peel of the banana?
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Mads Barnkob
Sun Jan 08 2012, 12:02AM
Mads Barnkob Registered Member #1403 Joined: Tue Mar 18 2008, 06:05PM
Location: Denmark, Odense C
Posts: 1968
It looks exactly like a grilled banana, on the barbeque, something that we do a lot in my family doing summer.

Grill the banana until its black on the outside, cut it open to find it soft and liquid, add dark chocolate, enjoy.

So temperature and shock wave does the same to bananas I guess :)
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