Contains:
Vial of gold flakes
Vial of red nano gold (20 nm)
Vial of orange nano gold (80 nm)
Samples of stained glass made with gold
Mini-light (very bright white LED)
Sheet of white paper
Image of stained glass window
Fee: $ 0.00 per 7 days
http://www.nisenet.org/catalog/exploring-materials-nano-gold-nanodays-2012
Exploring Materials - Nano Gold is a hands-on activity in which visitors discover that nanoparticles of gold can appear red, orange or even blue. They learn that a material can act differently when it’s nanometer-sized.