Colored shadow

Not all shadows are black.

Viewed from outside, the work is a great circle located in the ceiling from which white light is spreading in to the room. The moment the viewer enters the circle, the white light will be broken as…

Learn about human color perception by using colored lights to make additive color mixtures.

Explore Exploratorium Exhibit Services' 2868 photos on Flickr!

Three colored spotlights - red, green and blue - illuminate a white screen. A hand is placed between the screen and the lights, thus casting overlapping shadows on the screen. From left to right, you will observe a yellow, magneta and cyan shadow. The colors red and blue are produced where the shadows overlap. More info about this demonstration is available at The Physics Classroom: www.physicsclassroom.com/Class/light/u12l2e.cfm.

(c) Exploratorium, www.exploratorium.edu

Learn about human color perception by using colored lights to make additive color mixtures.

Last weekend we took the girls to visit the Exploratorium. This was actually our second trip to the Exploratorium, but our first to it's new location at Pier 15. I never got around to posting about our first visit to the Exploratorium last year. The museum itself was great and Ava had a fantastic time with all of the hands on displays, however my day was overshadowed by an over-tired Lola and an incident at the giant bubble making station. Older children had kept pushing Lola out of the way…

Light Catching Shadows, Germany – darc awards

Before you even enter the new Olafur Eliasson exhibition at London’s Tate Modern, the Danish-Icelandic artist starts messing with your mind.