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Stoneridge Engineering is THE Source
for Rare and Beautiful Lichtenberg Figures!
(Page updated 08/19/16 - may change without notice)



Style 16 - Gorgeous 3" x 3" x 2" Prisms with TWO Irradiation Layers
  - Including "African Trees" -

These beautiful specimens are approximately 2 3/4" to 3" on each side, and are 2" thick. They were irradiated through one of the large flat sides, rotated 180 degrees, and irradiated again through the opposite face to create two parallel layers of charge about 1/2" below the surface of each face. Depending upon where and when these charge layers were discharged, complex electrical interactions were created between the two charge layers. This caused a variety of unusual, and very spectacular, discharges.  Although many of our other Lichtenberg Figures form simple 2-Dimensional planes, these figures are truly 3-Dimensional. They contain not only branching discharges within each plane, most also contain complex interactive discharges between planes. Some of these specimens look like a time lapse photograph of a raging lightning storm, while others are similar to African Acacia trees. Other sculptures have plane-to-plane discharges that resemble sprites or gigantic jets, rare forms of high-altitude lightning), that can appear above powerful thunderstorms:

Gigantic Jet

Some sculptures have two virtually independent parallel discharge planes connected only by a single discharge root. Some exhibit branched dendritic discharges, others have "snowflakes" (small tuft-like discharges that resemble individual snow crystals), while others are wildly chaotic with seemingly random fluffy "cotton-candy-like" discharges. Many specimens show various combinations of dendritic, chaotic, and snowflake discharges. Although the internal patterns vary from specimen to specimen, we guarantee that you will be fascinated and satisfied with your purchase.
 

These specimens were created from blocks of high quality, crystal-clear cast acrylic. The following images do not begin to capture the depth, clarity, and jewel like character of these 3D figures. When i
lluminated by a multicolor or rotating LED base, these become sparkling treasures of scientific art. Laser crystal art can't begin to match the exquisite detail, intricate complexity, and infinite variation of the fractal discharges within these prisms. Newer specimens may also exhibit solarization - amber colored layers between the irradiated surfaces and the discharge. Solarization layers may also fluoresce when illuminated by blue or near-UV LED's. Solarization, and its associated fluorescence, usually disappears with time.

Please select which type(s) of discharges you prefer (i.e., African Tree, Windblown Lightning, etc.), and we will try to find one that matches. Some styles, such as "Heavy Weather", underwent multiple discharges while being irradiated by the electron beam. This caused repetitive discharges that created a bit of darkening of the main discharge paths which adds a different character to the piece.  The darkened areas disappear once the specimen is illuminated. However, some customers may find these specimens less appealing.  Rest assured that your satisfaction is always  guaranteed by Stoneridge Engineering. If you are not satisfied with your purchase for any reason we will gladly offer to replace your item or provide you with a full refund!


Short video clip of a "Heavy Weather" specimen
 on a ROT45MC rotating multicolor light base



Group of "Windblown Lightning" Prisms
(Click above for larger image)
African Tree, on DK25X75W light base
(Click above for larger image)
African Tree on BD750MC Light Base
(Click above for larger image)
Group of "Windblown Lightning" specimens, natural lighting, against black velvet
"African Tree" discharge illuminated by our DK25X75W white LED walnut light base
 
"African Tree" specimen lit by high power BD750MC multicolor light base
(Note: this base has been discontinued)
African Tree, natural light

(Click above for larger image)



African Tree, LP3 - blue

(Click above for larger image)

Windblown, Turquoise
(Click above for larger image)
Another "African Tree", in natural light
"African Tree" illuminated by an older multi-color light base

Another "Windblown Lightning", side view, illuminated by an older multi-color light base
Blue LED-lit
(Click above for larger image)


African Tree on BD751MC Light Base

(Click above for larger image)

Prism9

(Click above for larger image)

A "Windblown Lightning" specimen illuminated by an older multi-color light base An "African Tree" specimen on a BD751MC multi-color light base

Another dendritic "Windblown Lightning" specimen on an older multi-color light base

Prism10
(Click above for larger image)

Pair of Planes, LED-lit
(Click above for larger image)

Pair of Planes, LRD-lit

(Click above for larger image)

"Heavy Weather" Specimen
Note:  some charring  in the heavy discharge areas on right hand side
"Parallel Planes" specimen has a single center discharge root, illuminated a multicolor light base
Another view of previous "Parallel Planes" prism showing dendritic structure of the discharge layers.
Prism13
(Click above for larger image)
Prism, Main discharge

(Click above for larger image)

Prism, Secondary Discharges

(Click above for larger image)

  "Heavy Weather" (above) - note slight charring  in heavier discharge areas, lower plane
  Manually discharging one of the layers
  Secondary discharges may persist for 20-30 seconds after the main discharge
Quicktime 3-D Movie
 
 Moving 360 Degree view
3-D Rotatable Image
   360 Degree 3-D Stereoscopic view
Combination Tree, LED-lit

(Click above for larger image)


Rotating 3-D view of a "Heavy Weather" sculpture. Once the image has been fully downloaded, drag your mouse over the image to rotate.
(Courtesy Theodore Gray) 
Rotating 3-D view of a "Heavy Weather" sculpture with discharges between a dendritic and chaotic discharge planes. This pair of images can be used with 3-D glasses or by de-focusing your eyes! Once the image has been fully downloaded, drag your mouse to rotate various views of the sculpture.
(Courtesy Theodore Gray)
"Lightning Trees" specimen illuminated by a multi-color light base 
African Tree
(Click above for larger image)
African Tree on BD751MC Light Base
(Click above for larger image)
African Tree on BD751MC light base
(Click above for larger image)
"African Tree" specimen illuminated by ROT45MC rotating multicolor light base
"African Tree" specimen illuminated by BD751MC multicolor light base Same "African Tree" specimen illuminated by BD751MC multicolor light base
 

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