“Professor Proton” of Mad Science of Central Oklahoma visited Seminole Wednesday as part of the Public Library’s Summer Reading Program. Left photo: Elijah Carlisle, Ann Joslin and Ava Poff seem amazed by the professor’s ability to change the color of liquids by mixing chemicals together. Right: Caleb Stitham ducks as the professor pretends to douse him with a cup of liquid. Mad Science was founded in 1985 in Montreal and has franchise locations in more than 20 countries.