An explosion in a Building 18 chemistry lab on the evening of July 23 drew a large response from the Cambridge Fire Department. According to bystanders, the explosion was caused by acids improperly stored behind a fume hood and no personal injury resulted from the accident.

Eric D. Schmiedl­—The Tech

An explosion in a Building 18 chemistry lab on the evening of July 23 drew a large response from the Cambridge Fire Department. According to bystanders, the explosion was caused by acids improperly stored behind a fume hood and no personal injury resulted from the accident. Eric D. Schmiedl­—The Tech