I'm no scientist and I may be completely wrong but isn't it easier to break a bigger piece than a small piece. The sapphire piece they show is much larger.
Not under the conditions of that test, where the stressed region is between the rings. The material outside that region is not effectively participating.
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Originally Posted by marvinmeraz
I'm no scientist and I may be completely wrong but isn't it easier to break a bigger piece than a small piece. The sapphire piece they show is much larger.
Not under the conditions of that test, where the stressed region is between the rings. The material outside that region is not effectively participating.