They displayed blue, yellow and green using their cellphone flashlights and colored cellophane. The colorful projection caught the eye of the singer who talked about it in her monologue before ...

Image caption, Filters transmit some colours of light and absorb other colours of light This effect can be demonstrated using red/green 3-D glasses or coloured cellophane – like the type used to ...

It began shortly after the tower was built in 1928, and initially, colored cellophane was plastered over the clear glass windows to create the display. The display went dark for a few years in the ...