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[Serious] How can a glass shower pane shatter by itself? (lemmy.ml)

submitted 3 days ago by Ste41th@lemmy.ml to c/asklemmy@lemmy.ml

18 comments fedilink hide all child comments

Basically I have a shower with a big glass pane and I was in bed and heard a massive crash and went to look thinking someone might be breaking in but no the shower glass pane shattered itself and nothing can fall on it or anything. So I’m so confused. Any ideas?

And before anyone jumps to anything paranormal I’m sceptical of that type of stuff.

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[–] KittenBiscuits@lemm.ee 4 points 3 days ago* (last edited 3 days ago) (1 children)

So you don't have to whack a car window hard with the spark plug? You only need to scratch at it a lil bit?

[–] manicdave@feddit.uk 2 points 2 days ago

The spark plug example is popular because presumably you find both old sparkplugs and spare car windows at junk yards. What it really is that the ceramic that they're made out of hard and sharp enough when broken to damage the surface of the glass which causes the chain reaction.