Michael Ahern has been in high demand lately. Last week, when gas explosions devastated over 70 homes across Lawrence, Andover and North Andover, Massachusetts, one question was on everyone’s mind: How did this happen? As WPI Corporate & Professional Education’s resident power systems engineer, Ahern had the answers. And over the past several days, he has…Continue Reading WPI’s Michael Ahern on the Merrimack Valley Explosions