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Here's the amended version-- thanks to Scott for his excellent suggestion to turn the bulb to emphasize the yin-yang shape on top. I like it much better this way.
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This one isn't finished, but since it's Thursday & I had intended it for Illustration Friday (Wired), I'm posting it in progress, to share the idea at least. Other projects (see last post) & obligations got in the way. Oh well!
It's inspired by the recent ruling in Australia phasing out incandescent bulbs, & dedicated to my brother Ben who is also known as Johnny Fluorescentseed because he gives compact fluorescent bulbs to all his friends & family.
The background paper is from an electronics textbook c. 1912, this chapter appropriately titled Illumination Laws & Measurements. Collaged onto canvas, painted in acrylic, 5x7".