Free backpacks and science at Ceres Flea Market

August 1, 2013 

— On Sunday starting at 9 a.m., Enochs High forensic biotech science students will be doing a make-and-take science activity for 400 children receiving free backpacks from the Latino Community Roundtable at the Ceres Flea Market.

Kids will make their own Benham's discs by gluing a marble onto the bottom of a CD, then a black-and- white pattern on the top, followed by a soda bottle cap for the handle. Spin the Benham's disc and the pattern appears to take on colors.

Some scientists think the delay and differences in how the rods and cones in our eyes process the incoming information when we look at a spinning disc is why colors appear.

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