Here's the reservoir:
There's felt inside which will increase the surface area of the alcohol to aid in its evaporation.
After lunch we assembled the light strip that we'll use to illuminate the fog, making the tracks easier to see. Another QuarkNet veteran prepared the wood and provided us with excellent instructions. We had to do a little wiring and soldering, but it was pretty easy.
Here's the light strip:
Added to the setup from yesterday we have:
Tomorrow we'll build sensors to measure the magnetic field on the surface of the plate. I guess we'll also add the magnets. Maybe we'll even be able to make some clouds.