Air conditioners are seen in this 2009 photo. A young Michigan boy used a fan, plastic tub and frozen water bottles to make his own air conditioner for his classmates.
Air conditioners are seen in this 2009 photo. A young Michigan boy used a fan, plastic tub and frozen water bottles to make his own air conditioner for his classmates. Nati Harnik Associated Press file
Air conditioners are seen in this 2009 photo. A young Michigan boy used a fan, plastic tub and frozen water bottles to make his own air conditioner for his classmates. Nati Harnik Associated Press file

How 9-year-old’s cool invention helped comfort classmates

September 26, 2017 10:10 PM