Why tempered glass sometimes break, sometimes not?
Why didn't the glass shatter when kicked by a horse, but broke after falling to the ground? On the contrary, this piece of glass remained intact after falling to the ground, but shattered when hit with a hammer. The reason for this phenomenon is actually related to the characteristics of tempered glass. Tempered glass has excellent impact resistance; a large-area impact like being kicked by a horse will only cause it to deform, However, when the external stress is concentrated in a small area, such as when the glass hits a small stone after falling, the tempered glass will break into pieces
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