Check out this story (link) in the The Journal of Forensic and Legal Medicine. It examines the structural integrity of the beer bottle and asks whether or not it is stronger than a human skull. Both full and empty bottles were examined. Here is an excerpt of a recap of the study by Pat Walters.
Bolliger, who is head of forensic pathology at the University of Bern, went to the store and picked up 10 half-liter bottles of Feldschlösschen Original — his nation's most popular brew. He emptied six of them, left four full and, using a precisely calibrated energy-measuring device, started dropping a steel ball on the bottles from various heights. Bolliger's conclusion: Full bottles shatter at 30 joules, empties at 40, meaning both are capable of cracking open your skull. But empties are a third sturdier.
I'd be interested to see how different bottle shapes and sizes affect this. But here at DSBC we, in no way, advocate using beer bottles as weapons. Beer is for drinking.
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