Willie Mae Truesdale was startled by a loud explosion emanating from her kitchen. Investigating the source, she was astounded to find her oven’s glass door shattered into pieces scattered across the floor. “It was shocking, you had to see it to believe it,” she recounted.

“It was like, what in the world? Glass shattered everywhere,” Truesdale exclaimed. Adding to the perplexity, her oven wasn’t even in use at the time. And what’s even more alarming: Truesdale isn’t alone in experiencing such a phenomenon.