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Topic: Sylvanshine


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In the News (Fri 11 Dec 09)

  
 AMS Glossary
Four things must be present for the sylvanshine to be seen: the proper species of tree, the proper season of the year, dew-covered leaves, and a view looking directly down the beam of light illuminating the tree in an otherwise dark scene.
The sylvanshine is closely related to the heiligenschein.
Fraser, A. B., 1994: The Sylvanshine: retroreflection in dew-covered trees.
amsglossary.allenpress.com /glossary/search?id=sylvanshine1   (127 words)

  
 Alistair B. Fraser: Sylvanshine   (Site not responding. Last check: 2007-11-01)
The discovery of the sylvanshine, a closely related phenomenon best seen at night, revealed that strong retroreflection can occur on hairless dew-covered plants.
A simple model shows that below a contact angle of 90 degrees, the enhancement in the back-scatter direction is virtually identical to that given by a diffusely reflecting surface, but as the contact angle climbs to 140 degrees, enhancement increases by two orders of magnitude.
Alistair B. Fraser, 1994: The Sylvanshine: retroreflection in dew-covered trees.
fraser.cc /Talks/Shines.html   (203 words)

  
 Kootenay Lake
Sylvanshine, the striking phenomenon, depends upon a bright artificial light source and is seen best on a clear, dark night when the light is shone on (a few species of) dew-covered trees.
The heiligenschein appears as a bright aura around the head of the observer’s (and only the observer’s) shadow, while the sylvanshine is a bright region spread over the whole tree, but is only seen by the person holding the light.
To add to the confusion, there is another mechanism which also produces a bright region around the head of the observer’s shadow which does not depend upon dew and has gained the name, heiligenschein.
kootenay-lake.ca /lightplay/shines   (425 words)

  
 [No title]
This angle depends on the wettability of the leaf and this varies with the genes of the plant.
Plants with this pure-bred epicuticular rodded wax tend to have a blue cast to them as the rod diameters is less than the wavelength of the light and blue light is scattered.
Sylvanshine is best searched for on herbaceous, small stature plants with the right kind of waxy surfaces.
atlantic.evsc.virginia.edu /publications/ced/ced/48   (2760 words)

  
 Rena Owen's Official Website -- Rena's Blog
My application was successful enabling me to re-commission my Screenwriter to start work on the next draft in October.
I’ve also committed to working as a Writer and an Associate Producer on a friend's Spanish New Zealand Co-Production called Sylvanshine, a quirky romantic comedy set in both countries.
I've had a lot of fun working on the script, I totally love writing; it brings me much joy and creative satisfaction.
renaowen.com /blog   (1883 words)

  
 PlantFiles: Detailed information on Wild Iris, Northern Flag, Beachhead Iris Iris setosa 'Sylvanshine'
PlantFiles: Detailed information on Wild Iris, Northern Flag, Beachhead Iris Iris setosa 'Sylvanshine'
Sep 14, 5:30 PM Wild Iris, Northern Flag, Beachhead Iris
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davesgarden.com /pf/go/130057/index.html   (149 words)

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