Phosphorescence

Phosphorescent pigment - I don't know anything about this but it has an attraction - it may be useful one day. Look up on google:

http://luminousmaterial.en.ecplaza.net/photoluminescent-pigment-glow-in-the--266341-1950410.html

photoluminescent pigment glow in the dark

Application
1. After recharged by visible light, lamp light, UV light, Ir light for 10~20 minutes, it glows in the dark for 10~12 hours, can be used as additive in transparent medium: paint, ink, plastic, rubber, resin, fibre, printing slurry. 2. Consumer products: garments; shoes∩︀ toys; stationery; watch; switch; novelties; fishing tools and sporting goods; safety products; 3. Area as follows:building; decoration; traffic vehicle; military installations; fire emergency system,etc. 

 Sounds very exciting.

Then found this image:

Lynda Benglis, Phantom, 1971. Polyurethane foam with phosphorescent pigments, 8 1/2 x 35 x 8ft (overall installation dimension variable). Marianna Kistler Beach Museum of Art © Lynda Benglis. DACS, London/VAGA, New York 2009

Nancy Spero snippet came along jogging my memory about her and her work.  The deep content expressed in a seemingly simple way and presented in interesting ways.  She is someone whose work I would love to see properly.  Interesting as she was a contemporary of Lynda Benglis - funny how these connections come about by chance sometimes.

Sky Goddess/Egyptian Acrobat 1987-88, handprinting and printed collage on paper Photograph: Anthony Reynolds Gallery