Glue down the rest of the cds leaving a small space above the bottom row and below the top.
Make a solar cell from a cd.
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Place the first against the left side of the box above the bottom cd row the second against the right side below the center row the third against the left side above the center row and the last against the right side below the top row.
Just make sure that the bottom row of cds touches the bottom side of the cardboard box and the same story goes for the top row it should touch the top of the cardboard box.
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Let the glue dry overnight.
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Blu ray discs pretty color actually makes them great at capturing light.
Next use a pencil for tracing the center holes of the cd rows both top and bottom then remove them and using your utility knife cut the holes out.
Cut a piece of plastic drop cloth 3 inches longer and wider than your box.
To make a solar cell you ll need 2 glass plates transparent tape and a titanium dioxide solution.
Then bake a titanium dioxide coating onto 1 of the plates before soaking it in a red dye.
Glue them into your box on edge like maze walls.
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Place your cds in rows inside the box with the shiny side out.
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Cut four cardboard rectangles 4 inches wide and three quarters as long as your box is wide 16 inches in this case.
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First you ll need to clean both plates with alcohol.
The other plate should be coated with carbon.
