Area middle schoolers enjoy things exploding, foaming over and glowing in the dark at the 21st-annual Chem Demos.

Area middle schoolers enjoy things exploding, foaming over and glowing in the dark at the 21st-annual Chem Demos.

Larry Louters wowed three sessions of area middle schoolers at his annual Chem Demos, held May 18 through 20 in the Gezon Auditorium.

Watch the video.

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