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The Dig Hints
How do I use this strange device?
1 of 13: You've probably already seen these devices before, but the following hint will tell you what to do if you haven't.
4 of 13: The innards of the light bridge device are broken.
5 of 13: Open up the panel and see what you can do.
6 of 13: There are four prisms and three colored dots.
7 of 13: You can rotate the source or the prisms by clicking on them.
8 of 13: When you direct light from the source to a prism, you'll notice that the prism splits the beam into three -- one of each of the colors.
9 of 13: If a beam of a single color hits a prism, then only one color exits the prism, but you can use the prisms to rotate the beam.
10 of 13: The basic idea is to light all the colored dots with a beam of the same color, going through each of the prisms in the process.
11 of 13: Find the prism that will let you direct beams of lights onto all of the other sources.
12 of 13: Point the source to the prism in the lower left, and then rotate that prism so it shines light on all of the other prisms.
13 of 13: Then click on the other three prisms to direct the light beams to the corresponding dots. Once you do that, you should be able to use the light bridge.