They tend to be long, wavy lines rather than circular "bullseyes."
She watched as the crack grew. Not fast, but deliberately, like a vine in a time-lapse video. It crawled two inches to the left, then jagged right toward the passenger side. A second crack branched off the first, then a third. Within a minute, the windshield looked like a frozen pond someone had thrown a rock into. can heat crack a windshield
The glass hadn’t failed because it was weak. It failed because heat and cold, when they meet too quickly, forget how to be friends. And in that forgetting, something has to break. They tend to be long, wavy lines rather