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Barbara Heide | all galleries >> MAIN GALLERY >> Archives 2006-2009 >> collections et reportages >> Simply Water > surface tension of water
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04-DEC-2008 Barbara Heide

surface tension of water

Totally Informal Transglobal Thursday Challenge ...view other's participating here : RULES
Rule: Surface Tension

The cohesive forces between liquid molecules are responsible for the phenomenon known as surface tension. The molecules at the surface do not have other like molecules on all sides of them and consequently they cohere more strongly to those directly associated with them on the surface. This forms a surface "film" which makes it more difficult to move an object through the surface than to move it when it is completely submersed.
Surface tension is typically measured in dynes/cm, the force in dynes required to break a film of length 1 cm. Equivalently, it can be stated as surface energy in ergs per square centimeter. Water at 20°C has a surface tension of 72.8 dynes/cm compared to 22.3 for ethyl alcohol and 465 for mercury.

CLICK: if you like you can look at my gallery about Water...

Canon EOS 40D ,Canon EF-S 60mm f/2.8 Macro USM
1/250s f/5.6 at 60.0mm iso1600 full exif

other sizes: small medium original auto
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Greg Christie05-Dec-2008 20:32
Physical laws (rules) provide a good basis for this weeks topic. Great light!
Giancarlo Guzzardi05-Dec-2008 10:44
one of the nice titles and notes in this gallery
"tension", what a beautiful word
Guest 05-Dec-2008 05:31
La science au service de la beaute!
Evaristo Buendia Carrera05-Dec-2008 05:00
Great!
Nancy Lobaugh05-Dec-2008 03:39
lovely bubbles!!
Dennis Hoyne05-Dec-2008 03:37
Neat shot, and the physics lesson is really appreciated too, really!
Harrison04-Dec-2008 23:56
Oh my,,,a science lesson! LOL

Great shot Barbara!
Chris04-Dec-2008 21:03
Excellent - and I can see a face in the shot. chris
Phillip Normanton04-Dec-2008 19:53
Great piccy!! Now put some soap in and mess up all those sums :)
corypdot04-Dec-2008 19:52
Oh my god...someone spent too many hours in Physics class....nice picture though!
Linda Matta04-Dec-2008 19:34
Nice spin on it!
Knox O04-Dec-2008 19:24
Very cool!
clark langley04-Dec-2008 19:05
I love it.Used it to tell the kids about surface tension.
Máire Uí Mhaicín04-Dec-2008 18:34
Great image, Barbara, and I've learned something I didn't know before this.
Ilana gil04-Dec-2008 18:30
Beautiful done!
laine8204-Dec-2008 18:22
Brilliantly captured !!
marie-jose wolff04-Dec-2008 17:51
magnifiques ces bulles qui réflechissent la lumière! V
Patricia Kay04-Dec-2008 17:04
Beautiful shot Barbara.....V
Guest 04-Dec-2008 14:15
A little non-ionic surfactant will fix er right up : )
Ken Duckert04-Dec-2008 13:45
Say, aren't those bubbles. Might that be ale - a great tension reliever?
Silvia Roitman04-Dec-2008 11:37
superb!v
Ann...04-Dec-2008 10:06
Excellent!!
j>a>e>17 :):):)04-Dec-2008 10:02
mystical magical musezzz o'queeen barbara's court o'rustolia & o'rainolio grant special power songzzz for this freeezing night o'flying sugar, j>a>e>17 :):):)
Wenche Aune04-Dec-2008 09:27
Beautiful! V
H2M04-Dec-2008 07:25
....don't understand the explanation...but I feel confortable with this and LOVE the image!!!!!!! BV
Norbert Fortelny04-Dec-2008 07:16
Nice, love the explanation!
Kathryn04-Dec-2008 07:13
Amazing!
Paco López04-Dec-2008 06:54
Excellent! V!
Nick Arena04-Dec-2008 06:54
Great shot Barbara..V
Maaike Huizer04-Dec-2008 06:26
What a great interpretation. And well worked out. Beauty!
BleuEvanescence04-Dec-2008 04:59
I like the idea of this...beautiful light too.
mathilda williams04-Dec-2008 03:55
okayyyy, at almost midnight, this is a little complicated for me. will be back tomorrow to figure it out, meanwhile, I like the bubbles :)
Cindi Smith04-Dec-2008 03:49
Okay, way over my head but cool shot!
carol j. phipps04-Dec-2008 03:35
Fabulous interpretation!
Timothy Guenther04-Dec-2008 03:21
Nice shot!
silvia marmori04-Dec-2008 02:13
superb image and great notes..
monica memoli04-Dec-2008 02:04
Charming. v
sue anne04-Dec-2008 01:54
Beautiful and I learned something.
De'Carr Studio04-Dec-2008 01:28
Gee, We learn something new everyday..neat interpretation.
Jola Dziubinska04-Dec-2008 01:13
Good lesson and excellent blue water shot.
Art White04-Dec-2008 01:00
Beautiful! V
Sabine Stetson04-Dec-2008 00:46
wowww.....wonderful watery entry....this really
breaks the rules, bravo barbara...
V
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